Topist is specialized in power semiconductor, power supply, Thyristor, Diode and electric products, we have factory of making Thyristor Modules, Diode Modules, Bridge Rectifier, Relays, Automatic Photo-controls, Switching Power Supply etc. We have our own injection and extruder machine factory to produce our products. We have our own research department, development, research, production and sale.

We supply the European goods with Chinese price.

Good after sales service and trustable delivery!

We sincerely welcome our friends at home and aboard to guide us and then develop together.