J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-025-85560043 17301488900
Websitehttp://www.synzest.com
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone+86-0755-66853366 +86-13670046396
Websitehttps://www.qcsrm.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 18351873721
Websitehttp://www.synzest.com
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Shanghai Saikerui Biotechnology Co. , Ltd.
Telephone021-58000709 13120558703
Websitehttp://www.scrbio.com/
Shanghai Beiwanta Biotechnology Co., Ltd.
Telephone021-67187366 19901745723
Websitehttp://www.bwtlab.com/
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 17301488900
Websitehttp://www.synzest.com
Pushan Industry (Shaanxi) Co., Ltd
Telephone029-81310890 18165209495
Websitehttps://www.pushanshiye.com
SHANGHAI ZZBIO CO., LTD.
Telephone18019219489 18901678489
Websitehttps://www.zzsrm.cn/
Changzhou Xianglong Pharmaceutical Technology Co., Ltd.,
Telephone18915873328 18915873328
Websitehttps://www.xianglongpharm.com/
ShangHai ZskBio CO., LTD
Telephone021-58056897 15399714481
Websitehttps://www.zsklab.cn
Chengdu Ziyong Zhizhan Biotechnology Co., Ltd.
Telephone 17780686372
Website
