Tel +86-023-61398051 +8613650506873
Email sales@chemdad.com
Tel 571-88938639 +8617705817739
Email info@dycnchem.com
Tel +86-85511178 +86-85511178
Email peter68@ptchemgroup.com
Tel +8618058761490
Email info@gihichemicals.com
Tel 571-89925085
Email sales@amadischem.com