And the operation of various gas-shielded welding, ac and DC arc welding machine, stud welding machine, air plasma cutting machines and other ancillary products.
且经营各种气体保护焊机、交直流氩弧焊机、螺柱焊机、空气等离子切割机等配套产品。
The 2nd earthing ac voltage of arc welding machine does not exceed 200v, and DC peak value does not exceed 400v.
电焊机电缆的二次对地电压交流不超过200v，直流峰值不超过400v。
DC series submerged arc welding machine is a multi-functional welding power unit controlled by total-digital thyristor and applicable to both semiautomatic and automatic welding.
DC系列埋弧焊机是一种采用全数字晶闸管控制可以应用于半自动和自动焊接的多功能焊接电源。
The products of HJ electric are IGBT inverter DC arc welders, IGBT inverter DC air plasma cutting machine, resistance welders, welding wire feeder and other welding and cutting equipment.
瀚金电气的产品包括：IGBT逆变直流弧焊机，IGBT逆变直流空气等离子切割机，电阻焊机，焊接送丝机等焊接与切割设备。
The products of HJ electric are IGBT inverter DC arc welders, IGBT inverter DC air plasma cutting machine, resistance welders, welding wire feeder and other welding and cutting equipment.
瀚金电气的产品包括：IGBT逆变直流弧焊机，IGBT逆变直流空气等离子切割机，电阻焊机，焊接送丝机等焊接与切割设备。
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