Beijing Eternalchem Co,. Ltd.
Telephone010-59484199 18611897322
Websitehttp://www.eternalchem.com/
Win-Win chemical CO., Limited
Telephone+86-0086-577-64498589 +86-15355981851
Websitehttps://www.win-winchemical.com/
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone4008210725 4008210725
Websitehttps://www.leyan.com/
JW & Y Pharmlab Co., Ltd.
Telephone021-64340559 13651849907
Websitehttp://www.jwypharmlab.com.cn
Shaoyuan Technology (Shanghai) Co., Ltd.
Telephone021-50795510 4000665055
Websitehttp://www.shao-yuan.com