R&D Labs maybe for 511-81-9

• QINGDAO TAOSIGN INTERNATIONAL TRADE CO.,LIMITED

  Contact:+86-0532-82683616

  Address:RM1402, Doublestar Seacoase 7#, No. 5 Guizhou Road, Qingdao, Shandong, 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

• Qingdao Pana-Life Biochem Co.,Ltd.

  Contact:86-532-87683902

  Address:No.967 Dalao Road, Licang Zone, Qingdao City,Shandong, China 266021

• Kunshan Yalong Trading Co,.Ltd

  Contact:86-512-57621185

  Address:805-807 Room Hongqiao Mansion ,1088 West Qianjin Road, Kunshan, Jiangsu，China

• ZK Biochem Group Co., Ltd

  Contact:+86-532-80762375

  Address:No. 6, Hongkong Middle Road, Qingdao, China