Yuyao Shuanghe Electron Instrument Co., Ltd. is a professional manufacturer of all kinds of thermometers, hygrometers, densimeters, blood alcohol testers and digital clinical thermometers. Established in 1979, we have more than 30 engineers and technicians focusing on R&D and quality control. Our workshop covers an area of 6,000 square meters and 250 specialized workers can provide good products and service. Our company is well-known for good quality, quick service and competitive ...   |