CIK 0001939780
Branche: Miscellaneous Electrical Machinery, Equipment & Supplies
Zeitreihen: Revenue nach Geschäftsjahr · Net Income nach Geschäftsjahr
| Fakt | Wert | Zeit | Quelle |
|---|---|---|---|
| accounts_payable | {"amount": 2495000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2024-06-30 | sec_edgar |
| accounts_payable | {"amount": 1441000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-12-31 | sec_edgar |
| accounts_payable | {"amount": 1818000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2023-06-30 | sec_edgar |
| accounts_payable | {"amount": 1614000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-12-31 | sec_edgar |
| accounts_payable | {"unit": "CNY", "value": 9798000, "concept": "us-gaap:AccountsPayableCurrent"} | 2021-12-31 | sec_edgar |
| accounts_receivable | {"amount": 3158000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-12-31 | sec_edgar |
| accounts_receivable | {"amount": 2562000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2025-06-30 | sec_edgar |
| accounts_receivable | {"amount": 1421000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-12-31 | sec_edgar |
| accounts_receivable | {"amount": 2553000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2024-06-30 | sec_edgar |
| accounts_receivable | {"amount": 2218000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-12-31 | sec_edgar |
| accounts_receivable | {"amount": 90000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2023-06-30 | sec_edgar |
| accounts_receivable | {"amount": 234000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2022-12-31 | sec_edgar |
| accounts_receivable | {"unit": "CNY", "value": 193000, "concept": "us-gaap:AccountsReceivableNetCurrent"} | 2021-12-31 | sec_edgar |
| capex | {"amount": 71000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2025-12-31 | sec_edgar |
| capex | {"amount": 13000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2025-06-30 | sec_edgar |
| capex | {"amount": 1000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2024-12-31 | sec_edgar |
| capex | {"unit": "CNY", "value": 349000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEqui | 2024-06-30 | sec_edgar |
| capex | {"amount": 124000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2023-12-31 | sec_edgar |
| capex | {"amount": 1126000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-12-31 | sec_edgar |
| capex | {"unit": "CNY", "value": 9573000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEqu | 2021-12-31 | sec_edgar |
| capex | {"unit": "CNY", "value": 1333000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEqu | 2020-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3123000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2025-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3168000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2025-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3211000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2024-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5451000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2024-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 271000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2023-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 708000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2022-12-31 | sec_edgar |
| cash_and_equivalents | {"unit": "CNY", "value": 14787000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingVal | 2021-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 3172000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2025-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 3210000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2025-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 3444000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2024-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 5575000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2024-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 4965000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2023-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 15012000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2023-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 832000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashE | 2022-12-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "CNY", "value": 12760000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAn | 2022-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 3724000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2021-12-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "CNY", "value": 126678000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashA | 2020-12-31 | sec_edgar |
| cash_and_restricted_cash | {"unit": "CNY", "value": 6595000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAnd | 2019-12-31 | sec_edgar |
| cashflow_financing | {"amount": 6699000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2025-12-31 | sec_edgar |
| cashflow_financing | {"amount": 4548000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2025-06-30 | sec_edgar |
| cashflow_financing | {"amount": 1776000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2024-12-31 | sec_edgar |
| cashflow_financing | {"amount": 3107000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2024-06-30 | sec_edgar |
| cashflow_financing | {"amount": 25269000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2023-12-31 | sec_edgar |
| cashflow_financing | {"amount": 14157000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2023-06-30 | sec_edgar |
| cashflow_financing | {"amount": 653000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2022-12-31 | sec_edgar |
| cashflow_financing | {"unit": "CNY", "value": 1102000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActi | 2022-06-30 | sec_edgar |
| cashflow_financing | {"unit": "CNY", "value": -4003000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingAct | 2021-12-31 | sec_edgar |
| cashflow_financing | {"unit": "CNY", "value": 275615000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingAc | 2020-12-31 | sec_edgar |
| cashflow_investing | {"amount": 3392000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2025-12-31 | sec_edgar |
| cashflow_investing | {"amount": 10000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curren | 2025-06-30 | sec_edgar |
| cashflow_investing | {"amount": 6726000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2024-12-31 | sec_edgar |
| cashflow_investing | {"amount": 1854000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2024-06-30 | sec_edgar |
| cashflow_investing | {"amount": -11842000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2023-12-31 | sec_edgar |
| cashflow_investing | {"amount": 869000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2023-06-30 | sec_edgar |
| cashflow_investing | {"amount": -1650000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2022-12-31 | sec_edgar |
| cashflow_investing | {"unit": "CNY", "value": -1886000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingAct | 2022-06-30 | sec_edgar |
| cashflow_investing | {"unit": "CNY", "value": -14759000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingAc | 2021-12-31 | sec_edgar |
| cashflow_investing | {"unit": "CNY", "value": -133140000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingA | 2020-12-31 | sec_edgar |
| cashflow_operating | {"amount": -9941000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2025-12-31 | sec_edgar |
| cashflow_operating | {"amount": -5016000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2025-06-30 | sec_edgar |
| cashflow_operating | {"amount": -10025000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cu | 2024-12-31 | sec_edgar |
| cashflow_operating | {"amount": -4373000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2024-06-30 | sec_edgar |
| cashflow_operating | {"amount": -9218000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2023-12-31 | sec_edgar |
| cashflow_operating | {"amount": -829000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2023-06-30 | sec_edgar |
| cashflow_operating | {"amount": -1870000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2022-12-31 | sec_edgar |
| cashflow_operating | {"unit": "CNY", "value": -12143000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingAc | 2022-06-30 | sec_edgar |
| cashflow_operating | {"unit": "CNY", "value": -82229000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingAc | 2021-12-31 | sec_edgar |
| cashflow_operating | {"unit": "CNY", "value": -22392000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingAc | 2020-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 4971484, "concept": "us-gaap:CommonStockSharesIssued"} | 2025-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 3378188, "concept": "us-gaap:CommonStockSharesIssued"} | 2024-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 3168544, "concept": "us-gaap:CommonStockSharesIssued"} | 2024-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 30000000, "concept": "us-gaap:CommonStockSharesIssued"} | 2024-02-06 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 1243140, "concept": "us-gaap:CommonStockSharesIssued"} | 2023-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 52500000, "concept": "us-gaap:CommonStockSharesIssued"} | 2023-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 50000000, "concept": "us-gaap:CommonStockSharesIssued"} | 2022-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 50000000, "concept": "us-gaap:CommonStockSharesIssued"} | 2021-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4971484, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2025-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 3378188, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2024-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 3168544, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2024-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 1243140, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2023-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 52500000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2023-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 50000000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2022-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 50000000, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2021-12-31 | sec_edgar |
| cost_of_revenue | {"amount": 3729000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2025-12-31 | sec_edgar |
| cost_of_revenue | {"amount": 1304000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2025-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 4634000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2024-12-31 | sec_edgar |
| cost_of_revenue | {"amount": 1638000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2024-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 1069000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2023-12-31 | sec_edgar |
| cost_of_revenue | {"amount": 82000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2023-06-30 | sec_edgar |
| cost_of_revenue | {"amount": 745000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2022-12-31 | sec_edgar |
| cost_of_revenue | {"unit": "CNY", "value": 2748000, "concept": "us-gaap:CostOfRevenue"} | 2022-06-30 | sec_edgar |
| cost_of_revenue | {"unit": "CNY", "value": 5137000, "concept": "us-gaap:CostOfRevenue"} | 2021-12-31 | sec_edgar |
| current_assets | {"amount": 20972000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2025-12-31 | sec_edgar |
| current_assets | {"amount": 19601000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2025-06-30 | sec_edgar |
| current_assets | {"amount": 14395000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2024-12-31 | sec_edgar |
| current_assets | {"amount": 21010000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2024-06-30 | sec_edgar |
| current_assets | {"amount": 22984000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2023-12-31 | sec_edgar |
| current_assets | {"amount": 23643000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2023-06-30 | sec_edgar |
| current_assets | {"amount": 7831000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2022-12-31 | sec_edgar |
| current_assets | {"unit": "CNY", "value": 128304000, "concept": "us-gaap:AssetsCurrent"} | 2021-12-31 | sec_edgar |
| current_liabilities | {"amount": 11647000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2025-12-31 | sec_edgar |
| current_liabilities | {"amount": 8811000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2025-06-30 | sec_edgar |
| current_liabilities | {"amount": 7794000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2024-12-31 | sec_edgar |
| current_liabilities | {"amount": 9608000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2024-06-30 | sec_edgar |
| current_liabilities | {"amount": 10546000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2023-12-31 | sec_edgar |
| current_liabilities | {"amount": 9858000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2023-06-30 | sec_edgar |
| current_liabilities | {"amount": 8575000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2022-12-31 | sec_edgar |
| current_liabilities | {"unit": "CNY", "value": 76822000, "concept": "us-gaap:LiabilitiesCurrent"} | 2021-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 1243140} | 2023-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 50000000} | 2022-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 363000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2024-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 367000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2023-12-31 | sec_edgar |
| depreciation_amortization | {"unit": "CNY", "value": 1319000, "concept": "us-gaap:DepreciationDepletionAndAmortization | 2023-06-30 | sec_edgar |
| depreciation_amortization | {"amount": 303000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2022-12-31 | sec_edgar |
| depreciation_amortization | {"unit": "CNY", "value": 850000, "concept": "us-gaap:DepreciationDepletionAndAmortization" | 2022-06-30 | sec_edgar |
| depreciation_amortization | {"unit": "CNY", "value": 1773000, "concept": "us-gaap:DepreciationDepletionAndAmortization | 2021-12-31 | sec_edgar |
| depreciation_amortization | {"unit": "CNY", "value": 786000, "concept": "us-gaap:DepreciationDepletionAndAmortization" | 2020-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -2.14, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2025-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.81, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2025-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -2.3, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2024-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -1.02, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2024-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -2.19, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2023-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -6.88, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2023-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -91.84, "concept": "us-gaap:EarningsPerShareBasic", "currency" | 2022-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.22, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2022-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -82.8, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2021-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.11, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2020-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -2.14, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2025-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.81, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2025-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -2.3, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2024-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -1.02, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2024-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -15.56, "concept": "us-gaap:EarningsPerShareDiluted", "currenc | 2023-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -6.88, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2023-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -91.84, "concept": "us-gaap:EarningsPerShareDiluted", "currenc | 2022-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.22, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2022-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -8.28, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2021-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.11, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2020-12-31 | sec_edgar |
| gross_profit | {"amount": 2122000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2025-12-31 | sec_edgar |
| gross_profit | {"amount": 1171000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2025-06-30 | sec_edgar |
| gross_profit | {"amount": 1434000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2024-12-31 | sec_edgar |
| gross_profit | {"amount": 177000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2024-06-30 | sec_edgar |
| gross_profit | {"amount": 1714000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2023-12-31 | sec_edgar |
| gross_profit | {"amount": 180000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2023-06-30 | sec_edgar |
| gross_profit | {"amount": 386000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2022-12-31 | sec_edgar |
| gross_profit | {"unit": "CNY", "value": 1529000, "concept": "us-gaap:GrossProfit"} | 2022-06-30 | sec_edgar |
| gross_profit | {"unit": "CNY", "value": 2873000, "concept": "us-gaap:GrossProfit"} | 2021-12-31 | sec_edgar |
| gross_profit | {"unit": "CNY", "value": 1464000, "concept": "us-gaap:GrossProfit"} | 2020-12-31 | sec_edgar |
| income_tax_expense | {"amount": 509000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2025-12-31 | sec_edgar |
| income_tax_expense | {"amount": 46000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2025-06-30 | sec_edgar |
| income_tax_expense | {"amount": 368000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2023-12-31 | sec_edgar |
| income_tax_expense | {"amount": 185000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2023-06-30 | sec_edgar |
| income_tax_expense | {"amount": 1000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2022-12-31 | sec_edgar |
| income_tax_expense | {"unit": "CNY", "value": 5000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2022-06-30 | sec_edgar |
| income_tax_expense | {"unit": "CNY", "value": 2582000, "concept": "us-gaap:IncomeTaxExpenseBenefit"} | 2021-12-31 | sec_edgar |
| industry_sic | {"code": "3690", "scheme": "SIC", "description": "Miscellaneous Electrical Machinery, Equi | sec_edgar | |
| intangible_assets | {"amount": 9000, "concept": "us-gaap:FiniteLivedIntangibleAssetsNet", "currency": "USD"} | 2025-12-31 | sec_edgar |
| intangible_assets | {"amount": 14000, "concept": "us-gaap:FiniteLivedIntangibleAssetsNet", "currency": "USD"} | 2025-06-30 | sec_edgar |
| intangible_assets | {"amount": 19000, "concept": "us-gaap:FiniteLivedIntangibleAssetsNet", "currency": "USD"} | 2024-12-31 | sec_edgar |
| intangible_assets | {"amount": 23000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency": " | 2024-06-30 | sec_edgar |
| intangible_assets | {"unit": "CNY", "value": 201000, "concept": "us-gaap:FiniteLivedIntangibleAssetsNet"} | 2023-12-31 | sec_edgar |
| intangible_assets | {"amount": 33000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency": " | 2023-06-30 | sec_edgar |
| intangible_assets | {"amount": 41000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency": " | 2022-12-31 | sec_edgar |
| intangible_assets | {"unit": "CNY", "value": 608000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill" | 2021-12-31 | sec_edgar |
| interest_expense | {"amount": 27000, "concept": "us-gaap:InterestExpenseNonoperating", "currency": "USD"} | 2025-12-31 | sec_edgar |
| interest_expense | {"amount": 35000, "concept": "us-gaap:InterestExpenseNonoperating", "currency": "USD"} | 2025-06-30 | sec_edgar |
| interest_expense | {"amount": 192000, "concept": "us-gaap:InterestExpenseNonoperating", "currency": "USD"} | 2024-12-31 | sec_edgar |
| interest_expense | {"amount": 121000, "concept": "us-gaap:InterestExpenseNonoperating", "currency": "USD"} | 2024-06-30 | sec_edgar |
| interest_expense | {"unit": "CNY", "value": 1860000, "concept": "us-gaap:InterestExpenseNonoperating"} | 2023-12-31 | sec_edgar |
| interest_expense | {"unit": "CNY", "value": 497000, "concept": "us-gaap:InterestExpenseNonoperating"} | 2023-06-30 | sec_edgar |
| interest_expense | {"unit": "CNY", "value": 764000, "concept": "us-gaap:InterestExpenseNonoperating"} | 2022-12-31 | sec_edgar |
| interest_expense | {"unit": "CNY", "value": 696000, "concept": "us-gaap:InterestExpense"} | 2021-12-31 | sec_edgar |
| inventory | {"amount": 1749000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2025-12-31 | sec_edgar |
| inventory | {"amount": 1812000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2025-06-30 | sec_edgar |
| inventory | {"amount": 1352000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2024-12-31 | sec_edgar |
| inventory | {"amount": 824000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2024-06-30 | sec_edgar |
| inventory | {"amount": 766000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2023-12-31 | sec_edgar |
| inventory | {"amount": 911000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2023-06-30 | sec_edgar |
| inventory | {"amount": 791000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2022-12-31 | sec_edgar |
| inventory | {"unit": "CNY", "value": 13447000, "concept": "us-gaap:InventoryNet"} | 2021-12-31 | sec_edgar |
| long_term_debt | {"amount": 896000, "concept": "us-gaap:LongTermDebt", "currency": "USD"} | 2023-06-30 | sec_edgar |
| long_term_debt | {"amount": 942000, "concept": "us-gaap:LongTermDebt", "currency": "USD"} | 2022-12-31 | sec_edgar |
| long_term_debt | {"unit": "CNY", "value": 7000000, "concept": "us-gaap:LongTermDebt"} | 2021-12-31 | sec_edgar |
| long_term_debt_current | {"amount": 2699000, "concept": "us-gaap:LongTermDebtCurrent", "currency": "USD"} | 2025-12-31 | sec_edgar |
| long_term_debt_current | {"amount": 810000, "concept": "us-gaap:LongTermDebtCurrent", "currency": "USD"} | 2025-06-30 | sec_edgar |
| long_term_debt_current | {"unit": "CNY", "value": 17972000, "concept": "us-gaap:LongTermDebtCurrent"} | 2024-12-31 | sec_edgar |
| long_term_debt_current | {"amount": 1338000, "concept": "us-gaap:LongTermDebtCurrent", "currency": "USD"} | 2023-12-31 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 1379000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2023-06-30 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 1450000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2022-12-31 | sec_edgar |
| long_term_debt_noncurrent | {"unit": "CNY", "value": 9000000, "concept": "us-gaap:LongTermDebtNoncurrent"} | 2021-12-31 | sec_edgar |
| net_income | {"amount": -9776000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2025-12-31 | sec_edgar |
| net_income | {"amount": -3073000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2025-06-30 | sec_edgar |
| net_income | {"amount": -6565000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2024-12-31 | sec_edgar |
| net_income | {"amount": -3237000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2024-06-30 | sec_edgar |
| net_income | {"amount": -2724000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2023-12-31 | sec_edgar |
| net_income | {"amount": -479000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2023-06-30 | sec_edgar |
| net_income | {"amount": -6658000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2022-12-31 | sec_edgar |
| net_income | {"unit": "CNY", "value": -10957000, "concept": "us-gaap:NetIncomeLoss"} | 2022-06-30 | sec_edgar |
| net_income | {"unit": "CNY", "value": -41399000, "concept": "us-gaap:NetIncomeLoss"} | 2021-12-31 | sec_edgar |
| net_income | {"unit": "CNY", "value": -5510000, "concept": "us-gaap:NetIncomeLoss"} | 2020-12-31 | sec_edgar |