Tel 571-88938639 +8617705817739
Email info@dycnchem.com
Tel +86-85511178; +86-85511178;
Email peter68@ptchemgroup.com
Tel +86-852-30606658
Email market18@leapchem.com
Tel +86-15553333686 +86-15553333686
Email 15553333686@qq.com
Tel 021-64340559 13651849907;
Email xinyu_shi@jwypharmlab.com.cn