Tel +86-023-6139-8061 +86-86-13650506873
Email sales@chemdad.com
Tel +8613580539051
Email joe@yuhengpharm.com
Tel +86-0371-86658258 +8613203830695
Email laboratory@coreychem.com
Tel +8617013299288
Email dj@sgtlifesciences.com
Tel +86-571-86626709 +86-18157142896
Email cbc@coresyn.com