Shanghai Yuefeng Instruments & Meters Co., Ltd. was Established in 2000, specializes in r & d, manufacturing and sales of all kinds of laboratory, measurement & analysis instruments in Shanghai, China. Our main prodcuts involve: UV-vis spectrophotometer, visible spectrophotometer, flame photometer, automatic polarimeter, digital whiteness meter, digital turbidity meter, tintometer, colorimeter, etc. Our products are widely used in agriculture, industry, food, medical treatment, pharmacy, research institutes, universities, health care units and technology supervision & measurement bureaus.