J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-4000505016 13380397412
Websitehttp://www.phystandard.com.cn
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-58362220 0086-15250997978
Websitehttp://www.njxizebio.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shenzhen Excellent Biomedical Technology Co., Ltd.
Telephone0755-26050679 18318671572
Websitehttps://www.ex-biotech.com/
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
Henan Vcommend Consultrading Co., Ltd.
Telephone 13393721940
Websitehttp://www.vcommend.com/
ShenZhen H&D Pharmaceutical Technology Co., LTD
Telephone 18126517264
Websitehttps://www.hdimpurity.com/
Hubei Moco Chemical Co., Ltd.
Telephone18627753421; 18627756402
Websitehttp://www.molcoo.com/
Santa Cruz Biotechnology Inc
Telephone021-60936350
Websitehttp://www.scbt.com
Hubei YoungXin Pharmaceutical Tech Co.,Ltd.
Telephone0714-3999001 18696290611
Websitehttp://www.yongstandards.com/
Hangzhou Yiyun Guoke Biotechnology Co., Ltd.
Telephone 17717523804
Website