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
Taizhou Tongxin Bio-Tech Co., Ltd
Telephone0523-86818997 18652728585
Websitehttps://www.allyrise.com
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
TOSUN PHARM
Telephone020-66392521-118 18922260391
Websitehttp://www.toref.cn/
sgtlifesciences pvt ltd
Telephone +91-8790379245
Websitehttps://www.chemicalbook.com/manufacturer/sgtlifesciences-pvt-591/
Shenzhen Jianyi Biotechnology Co., Ltd
Telephone0755-84826604
Websitehttp://www.jeanchemical.com
Hubei Xinyang Medical Technology Co., Ltd
Telephone 15347293736
Websitehttps://www.standardpharm.cn/
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
Heyuan broad spectrum Biotechnology Co., Ltd
Telephone0762-3393039 18023108599
Websitehttp://www.gpbiotech.cn/
QUALITY CONTROL SOLUTIONS LTD.
Telephone+86-0755-66853366 +8613670046396
Websitehttps://www.qcsrm.com
Huaihua Yuanyanda Biotechnology Co., Ltd
Telephone 18711085600
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1118979/0_EN.htm
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/
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/