J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai JingSi Biological Technology Co., Ltd
Telephone18221840760
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19882/0_EN.htm
Shanghai Chaolan Chemical Technology Center
TelephoneQQ：65489617 13301690235
Websitehttp://www.atkchemical.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Shanghai Minhan Pharmaceutical Technology Co., Ltd.
Telephone 17612188245
Websitehttp://www.suppliers.integle.com
Aikon International Limited
Telephone 17714375163
Websitehttp://www.aikonchem.com
LABTER SCIENTIFIC CO.,LTD
Telephone010-56330744 15210344275
Websitehttp://www.labter.com.cn/
