Tel: 0086-796-8332881 Fax: 0086-796-8338862 E-mai: sales@ tonghaichem.com ertiao 2005@ yahoo.com.cn Serici n is a product from the pod through advanced biologic technique, it contains 18 kinds of human....
Jiâ € ™ an City Tonghai Pharmaceutical Chemistry Co.Ltd is a big integrative chemical enterprise being engaged in the medicine raw material and intermediates. We have the biggest manufacturer of the....