J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
Tianjin heowns Biochemical Technology Co., Ltd.
Telephone400 638 7771
Websitehttp://www.heowns.com
Hunan Hui Bai Shi Biotechnology Co., Ltd.
Telephone0731-85526065 13308475853
Websitehttp://www.hnhbsj.com/
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Telephone18521735133 18521732826;
Websitehttp://www.aladdin-e.com/
Suzhou yacoo science co.,Ltd
Telephone0512-87182056 18013166090
Websitehttp://www.yacoo.com.cn
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
Shanghai EFE Biological Technology Co., Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Chengdu Dianchun Technology Co., Ltd
Telephone400-1166-196 18502815961
Websitehttp://www.hx-r.com
Hunan Waybel Advanced Materials Co.,Ltd
Telephone0745-2866851 19374576088
Websitehttp://www.hbsjxcl.com/
Shandong Ono Chemical Co., Ltd.
Telephone0539-6362799 20）
Websitehttp://www.onochem.com
Shanghai BaiShun Biological Technology Co., Ltd
Telephone021-37581181
Websitehttp://www.chem-mall.com
Tianjin heowns Biochemical Technology Co., Ltd.
Telephone400-6387771-6038 18902104717
Websitehttp://www.heowns.com
Shanghai Jizhi Biochemical Technology Co. Ltd.
Telephone400-400-400-9004166 18616739031
Websitehttp://www.acmec-e.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Hefei TNJ Chemical Industry Co.,Ltd.
Telephone0551-65418684 +8618949823763
Websitehttps://www.tnjchem.com
career henan chemical co
Telephone+86-0371-86658258 15093356674;
Websitehttp://www.coreychem.com
