J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-83725681-603
Websitehttp://www.phystandard.com.cn
Beijing Comparison Pharmaceutical Technology Co., Ltd
Telephone010-010-52878169 15801002657
Websitehttp://www.bjcomparison.com
Shenzhen DaerSen Science and Technology Co., Ltd.
Telephone0755-84551027
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16239/0.htm
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Wuxi Zhongkun Biochemical Technology Co., Ltd.
Telephone0510-85629785 18013409632
Websitehttp://www.reading-chemicals.com
Shandong Boluoda Biological Technology Co., Ltd.
Telephone0531-58190570 15863796298
Websitehttp://boluoda.com/indel.html
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-66023220 0086-15250997978
Websitehttp://www.njxizebio.com
Tonichem Pharmaceutical Technology Co., Ltd.
Telephone+86 (0752) 222-7171, +86 15815821171
Websitehttp://www.tonichem.com/
Beijing Solarbio Science & Tecnology Co., Ltd.
Telephone010-50973186 4009686088
Websitehttp://www.solarbio.com
Shanghai CR Corporation Limited
Telephone021-80270511; 4006653949
Websitehttp://www.crcorporation.cn
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Telephone0755-28967200 13631290199
Websitehttp://www.sungening.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
ANHUI WITOP BIOTECH CO., LTD
Telephone +8615255079626
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList418627/0_EN.htm
Hubei Ipure Biology Co., Ltd
Telephone +8613367258412
Websitehttp://www.ipurechemical.com
Hangzhou Huarong Pharm Co., Ltd.
Telephone571-86758373 +8613588754946
Websitehttps://www.huarongpharm.com/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/