Certifications
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
Company Profile
Shandong Huarui Electric Furnace Co., Ltd.
Contact Person: Mrslily
