J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
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
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone571-88938639 +8617705817739
Websitehttps://www.dycnchem.com/
Changzhou Chenhong Biotechnology Co., Ltd.
Telephone0519-85788828 13775037613
Websitehttp://www.chemrenblock.com/
Hubei yongkuo Technology Co., Ltd
Telephone027-59223108 15972152991
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1025246/0.htm
Hubei Xinkang Pharmaceutical Chemical Co., Ltd
Telephone027-027-59308705 18871579363
Websitehttp://www.xinkang-api.com/
Hubei xingongli Chemical Co., Ltd
Telephone 027-59503710 15172325309
Websitehttp://www.xinhonglichem.com/
TCI (Shanghai) Chemical Trading Co., Ltd.
Telephone021-61109150
Websitehttps://www.tcisct.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Hubei Aiputi Bioengineering Co., Ltd.
Telephone 17762444226
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList546373/0.htm
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Hubei Tuobang Chemical Co., Ltd.
Telephone027-59106185 13986192185
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList451023/0.htm
Shanghai Yifei Biotechnology Co. , Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Shanghai Beiwanta Biotechnology Co., Ltd.
Telephone021-67187366 19901745723
Websitehttp://www.bwtlab.com/
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone +86-18521732826
Websitehttp://www.aladdin-e.com/
