R&D Labs maybe for 3638-33-3

• Dayang Chem (Hangzhou) Co.,Ltd.

  website:http://www.dycnchem.com

  Contact:+86-571-88938639

  Address:9/F, Unit 2 Changdi Torch Building, 259# WenSan Road, Xihu District, Hangzhou City 310012, P.R.China

• AllyChem Co., Ltd., Dalian, China（BBChem）

  Contact:+86-411-62313318/62313328

  Address:No.5 of Jinbin Road, Jinzhou New District, Dalian City, Liaoning Province, P.R.China

• Penglai Qianwei Chemical Co., Ltd.

  Contact:86-535-3357802

  Address:Shahelu (north), Penglai, Shandong, China

• ZUNYI CITY BEI YUAN CHEMICAL CO., LTD

  website:http://www.china-beiyuan.com

  Contact:+86-851-27751258

  Address:Shawan Town, Huichuan District, Zunyi City, Guizhou Province, China

• CHANGZHOU HANGYU PHARMACEUTICAL TECHNOLOGY CO., LTD

  website:http://www.czyys.com

  Contact:0086-519-88802789

  Address:No.300,Yanling Middle Road, Changzhou, Jiangsu, China