Tel +8615604608665 15604608665
Email dominicguo@gk-bio.com
Tel 571-88938639 +8617705817739
Email info@dycnchem.com
Tel +86-85511178 +86-85511178
Email peter68@ptchemgroup.com
Tel +86-0576225566889 +86-13454675544
Email admin@jiuzhou-chem.com;jamie@jiuzhou-chem.com;alice@jiuzhou-chem.com
Tel +86-19164747840 +86-13119157289
Email 13119157289@163.com