Alta Scientific Co., Ltd.
Telephone022-6537-8550 15522853686
Websitehttp://www.altascientific.cn
Shenzhen Regent Biochemical Technology Co., Ltd.
Telephone0755-85201366 18938635012
Websitehttp://www.regentsciences.com/
Nanjing Haolv Biotechnology Co.,Ltd
Telephone025-84622273 17361806303
Websitehttp://www.haolvbt.com/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679; 13502246435
Websitehttp://www.dmstandards.com/
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
CHINA ISOTOPE CO., LIMITED
Telephone02151600108 13062666369
Websitehttps://www.isotopechem.com/
Shandong Huijing bio-pharmaceutical Technology Co. , Ltd.
Telephone15192151674
Websitehttp://www.chemcro.com
Shanghai Beiwanta Biotechnology Co., Ltd.
Telephone021-67187366 19901745723
Websitehttp://www.bwtlab.com/
Shanghai Kaisen Biotechnology Co., Ltd
Telephone 17558870519
Websitehttps://coa.ikekule.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/