Chemexcel (Zhangjiakou) Fine Chemicals Co., Ltd
Telephone86-10-62944695-809
Websitehttp://www.chemexcel.com.cn
Win-Win chemical CO., Limited
Telephone+86-0086-577-64498589 +86-15355981851
Websitehttps://www.win-winchemical.com/
Chemwill Asia Co.,Ltd.
Telephone86-21-51086038
Websitehttp://www.chemwill.com/
Shanghai Hanlin biology science and technology co., ltd
Telephone183-0212-4410 18302124410
Websitehttp://hanlinchemical.com/
Guangzhou Reullei Pharmaceutical Technology Co., Ltd，
Telephone 13660253774
Websitehttp://www.reullei.com/
