J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Thermo Fisher Scientific
Telephone800-810-5118
Websitehttp://www.thermo.com.cn
9ding chemical ( Shanghai) Limited
Telephone4009209199
Websitehttp://www.9dingchem.com
Tianjin Being Technology Co., Ltd.
Telephone 18622939839
Websitehttp://www.beingtech.cn
ShangHai Siyan Biological Technology Co., Ltd.
Telephone021-50908862，442785678，326799392 18721037013
Websitehttp://www.siyanbio-tec.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
