J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-66023220 0086-15250997978
Websitehttp://www.njxizebio.com
Shanghai CR Corporation Limited
Telephone021-80270511; 4006653949
Websitehttp://www.crcorporation.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shenzhen Jianyi Biotechnology Co., Ltd
Telephone0755-84826604
Websitehttp://www.jeanchemical.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Changzhou Xianglong Pharmaceutical Technology Co., LTD
Telephone0519-88910898 18661161657
Websitehttp://www.xianglongpharm.com/
Cato Research Chemicals Inc.
Telephone020-81960175-877 18933936954
Websitehttps://www.cato-chem.com/
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Nantong Hanfang Biotechnology Co. , Ltd.
Telephone 18616537568
Websitehttps://hanfangpharma@126.com
Cato Research Chemicals Inc.
Telephone 13342851930
Websitehttps://www.cato-chem.com/