Qingdao Shengfang Analyzer Co., Ltd.

[ Manufacturer Trader ]Main business are Instrument equipment

Shanghai Youding Int'l Trade Co., Ltd.

[ Trader ]Main business are Educational lab equipment and utensil and consumables

Shanghai Yulong Instrument Co., Ltd.

[ Manufacturer ]Main business are Analytical instrument

Shanghai Yuguang Instrument Co., Ltd.

[ Manufacturer Trader ]Main business are Optical instrument

Beijing Jingshang Optical Instrument Co.

[ Manufacturer Trader ]Main business are Optical instrument

Tianjin Keyi Experiment Equipment Sales Co., Ltd.

[ Manufacturer Trader ]Main business are Experimental and chemical glass instrument