Quality

Standard: GB/T19001-2016/ISO9001:2015 Number: 56621Q00479ROS Issue Date: 2021-02-02 Expiry Date: 2024-02-01 Scope/Range: Production of induction melting furnaces Issued By: Qingdao Biaopu Authentication Company

Standard: Patent Number: 18445643 Issue Date: 2023-02-10 Expiry Date: 2024-02-10 Scope/Range: thyristor series-connected inverting medium frequency power supply equipment Issued By: National Intellectual Property Right Bureau

Standard: Patent Number: 18687132 Issue Date: 2023-03-24 Expiry Date: 2024-03-24 Scope/Range: IGBT Module drive unit of Medium Frequency Power Supply Issued By: National Intellectual Property Right Bureau

Standard: Patent Number: 18696935 Issue Date: 2023-03-24 Expiry Date: 2024-03-24 Scope/Range: a kind of current limiting inductor with higher safety Issued By: National Intellectual Property Right Bureau

Standard: Patent Number: 16108815 Issue Date: 2023-03-24 Expiry Date: 2024-03-24 Scope/Range: IGBT Dual Cell Transistor Medium Frequency Power Supply Device Issued By: National Intellectual Property Right Bureau