J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
BeiJing Hwrk Chemicals Limted
Telephone0757-86329057 18934348241
Websitehttp://www.hwrkchemical.com/
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-4000505016 13380397412
Websitehttp://www.phystandard.com.cn
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-83725681-603
Websitehttp://www.phystandard.com.cn
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Nanjing XiZe Biotechnology CO., Ltd.
Telephone025-66023220 0086-15250997978
Websitehttp://www.njxizebio.com
Shanghai Send Pharmaceutical Technology Co., Ltd.
Telephone021-58088081 Q3382968513
Websitehttp://www.shsendpharma.com
Shanghai Xiang Xin Industrial Co., Ltd.
Telephone021-50211651 13651607026
Websitehttp://www.xxgmpharm.com
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Telephone0755-28967200 13631290199
Websitehttp://www.sungening.com
SHANGHAI FDC-CHEMICAL CO.,LTD
Telephone021-61469567 13482353728
Websitehttp://www.fdc-chemical.com/
Shandong Chengchuang Blue Sea Pharmaceutical Technology Co., Ltd.
Telephone0531-58897130 15508676053
Websitehttp://www.sdcclh.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shenzhen Botel Biotechnology Co. Ltd.
Telephone0755-22202135 13316968096
Websitehttp://www.szbotaier.com/
ANHUI WITOP BIOTECH CO., LTD
Telephone +8615255079626
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList418627/0_EN.htm
Hefei TNJ Chemical Industry Co.,Ltd.
Telephone+86-0551-65418684 +8618949823763
Websitehttps://www.tnjchem.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/