Zhejiang Hutu Silicon Co., Ltd

Automation of all kind of quarter-turn valves for many different kind of media. The design and development of our electric actuators is carried out by our own R&D department. We have all necessary equipment and tools at our disposal for designing an

SIGRIST has been developing and manufacturing process photometers for more than 60 years. Around the world the company enjoys an excellent reputation, which is founded on high-quality products and our dependability as a partner. Approx 70 e...