Zhejiang Siwei Electric Co., Ltd. is a high-tech enterprise, which professional in research & development, production and service of instrument & meters, industrial control and electron.

Our company mainly produces the following products: temperature controllers, thermocouples, thermal resistor sensors, relays, and so on, which are widely applied to scientific research, metallurgy, petrol, chemical engineering, light & textile Industry, plastic, food, energy saving, etc..

With ...