Beijing Eternalchem Co,. Ltd.
Telephone010-59484199 18611897322
Websitehttp://www.eternalchem.com/
Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
Win-Win chemical CO., Limited
Telephone+86-0086-577-64498589 +86-15355981851
Websitehttps://www.win-winchemical.com/
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
Telephone +8613580539051
Websitehttp://www.yuhengpharm.com/
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126 15697565236;
Websitehttp://www.aobchem.com.cn/