Beijing Hongyuan Optical Instrument Co., Ltd.

Hand Held Refractometer,portable Refractometer锛孫ptical Refractometer,Brix refractometers,Salinity Refractometers,Battery/Antifreeze/Cleaning Fluid Refractometer

• Company Profile
• Products
• Feedback

Address: Huguang housing estate 27-5-201, Huairou district,
Beijing, Beijing
China,

Tel: 0086-10-80307038
Fax: