Yuyao Shuanghe Electron Instrument Co., Ltd. is a professional manufacturer of all kinds thermometers, hygrometers, densimeters, blood alcohol testers and digital clinical thermometers. Established in 1979, we have more than 30 engineers technicians focusing on R&D quality control. ...

Wisdom Instruments Factory are China leading thermometer supplier and biggest home brewing kits manufacturer. We manufacture all kinds of Thermometers, Home kits, Hydrometers, Timers, Sauna associated products. Our manufacturing plants in Ningbo, China, have highly experience ...