Beijing Hongyuan Optical Instrument Co., Ltd. China(CN)
Beijing Hongyuan Optical instrument Co., Ltd., specialize in professional hand-held Refractometers. We supply the refractometer for sugar, salt, alcohol, medical, freezing point, milk and so on, widely used in the food industry, agriculture, aquacult ...
Category: Electronic Measuring & Testing instruments
Register Time: 2009-12-29