R&D Labs maybe for 57-50-1

• Changsha Yonta Industry Co., Ltd.

  Contact:+ 86-731-8535 2228

  Address:Rm.1717, North Bldg., No.368, East 2nd Ring Road(2nd Section)

• Zhejiang Genebest Pharmaceutical Co.,Ltd.

  Contact:0086-571-63532866

  Address:No.1 Jinboshi Rd Lishan Town Fuyang City Zhejiang Province China

• Quhua Zhongxing Refrigeration Technology Co.,Ltd.

  Contact:+86-5708886618

  Address:318 Bulding 2, No.866 Quhua Rd.,Kecheng District

• Shandong Hongxiang Zinc Co., Ltd

  Contact:086-0311-66187879

  Address:DaWang developing zone

• Hefei Highzone Fine Chemical S&T CO.,LTD

  Contact:86-0551-63663560

  Address:room 1801 NO. 24 Shuguang RD.