R&D Labs maybe for 491-70-3

• Xi'an Kaixiang Photoelectric Technology Co., Ltd

  website:http://www.kxmaterials.com/

  Contact:86-29-15991651477

  Address:Building 6, Biopharmaceutical Industry R&D Cluster Base, No. 16, Caotang 4th Road, Caotang Science and Technology Industrial Base, High-tech Zone, Xi'an City, Shaanxi Province, China

• NINGBO YINLIANG FOREIGN TRADE CO., LTD.

  Contact:+86-574-87834016 / 87898057

  Address:23F NO.666JINYU ROAD,YINGZHOU DISTRICT,NINGBO.CHINA

• Shanghai Yuanding Chem. Sci. & Tech. Co., Ltd.

  website:http://www.shydtec.com

  Contact:86-21-57721279

  Address:Science and Technology Park, Songjiang District, Shanghai, China

• SYN Pharma Co., Ltd

  Contact:86-21 60347964

  Address:No.1304, West Meilong Road, Minhang District, Shanghai, China

• Huangshan Honghui Pharm Technology Co., Ltd.(expird)

  website:http://www.honghuichem.com

  Contact:18855958372

  Address:Qingshan Wan No.1,Nanyuan Kou,SheXian Huangshan City,Anhui Province