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
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
ANHUI WITOP BIOTECH CO., LTD
Telephone +8618071025641
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList418627/0_EN.htm
Yangzhou Changhua Biotechnology Co., Ltd.
Telephone15189846850 13815846020
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31331/0_EN.htm
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-025-85560043 17301488900
Websitehttp://www.synzest.com
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.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/
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone 17301488900
Websitehttp://www.synzest.com
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonehanfangpharma@126.com 15165037910
Websitehttps://hanfangpharma@126.com
Chengdu Peter-like Biotechnology Co., Ltd.
Telephone028-81700200 13308200041
Websitehttps://www.weikeqi-biotech.com/
Changzhou Xianglong Pharmaceutical Technology Co., Ltd.,
Telephone18915873328 18915873328
Websitehttps://www.xianglongpharm.com/
Hubei Yangxin Medical Technology Co., Ltd.
Telephone07143299675 13092790750
Websitehttps://www.yongstandards.com/