Business scope: Law,
Law,
Law,
Electronic Parts,
Switching Power Supply,
Mercury Nitrate,
Environmentally Friendly New Material Technology Research And Development,
Mercury Sulfate,
Pressure Sensor,
Chemical Raw Materials And Products,
Mercury Acetate,
Electronic Switch,
Promotion Of,
Mercury Oxide,
Market Entities Independently Choose To Operate,
Breaker,
Relays And Accessories,
Low Voltage Electrical Appliances,