J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Quality Control Solutions Ltd.
Telephone0755-66853366 13670046396
Websitehttp://www.qcsrm.com
Finetech Industry Limited
Telephone027-87465837 19945049750
Websitehttps://www.finetechchem.com/
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-66023220 15250997978
Websitehttp://www.njxizebio.com
Tonichem Pharmaceutical Technology Co., Ltd.
Telephone+86 (0752) 222-7171, +86 15815821171
Websitehttp://www.tonichem.com/
Roark Standards
Telephone0755-83552066 15986688328
Websitehttp://roarkstandards.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Shanghai CR Corporation Limited
Telephone13062833949; 4006653949 4006653949
Websitehttp://www.crcorporation.cn
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Telephone0755-28967200 13631290199
Websitehttps://sungenmed.com/
XinYao(Shenzhen) Biological Technology Co., Ltd.
Telephone0755-89880280
Websitehttps://www.xinyaosz.com
PI & PI BIOTECH INC.
Telephone+86-13602409664 +86-17788709170
Websitehttps://www.paypaytech.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shenzhen Botel Biotechnology Co. Ltd.
Telephone13316949107 13316968096
Websitehttp://www.szbotaier.com/
TOSUN PHARM
Telephone020-66392521-118 18922260391
Websitehttp://www.toref.cn/
CR Corporation Limited
Telephone +8613062833949
Websitehttp://www.crcorporation.cn/
Finetech Industry Limited
Telephone+86-27-8746-5837 +8619945049750
Websitehttps://www.finetechnology-ind.com/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone 13502246435
Websitehttp://www.dmstandards.com/