R&D Labs maybe for 490-59-5

• Shandong Yuanli Science and Technology Co., Ltd.

  Contact:86-0536-6777557

  Address:Zhuliu Industiral Park,Changle County

• SHANDONG QINGYUNCHANGXIN CHEMICAL SCIENCE-TECH CO.,LTD

  Contact:86-21-60560171

  Address:1689Donghuan Rade,Qingyun County, Dezhou City, Shandong,China

• Chemvon Biotechnology Co. Ltd.

  website:http://www.chemvon.com

  Contact:86-21-58550039;86-21-31268550-8004

  Address:Suite B-10#, 6999 Chuansha Road, Pudong District, Shanghai 201202, China

• HANGZHOU ZHONGCHANG SCIENTIFIC CO.,LTD

  Contact:+86-571-88932183

  Address:Hangzhou

• Wuhan Biet Co., Ltd

  website:http://www.biet.com.cn/

  Contact:+86-27-8369 8488

  Address:No. 6, Building 21, China Merchants Fanwang, Sixin North Road, Hanyang District, Wuhan City, Hubei Province