ShangHai Angti Biotechnology Co., Ltd.
Telephone 13764913901
Websitehttp://www.angtibio.com
Shanghai YuanYe Biotechnology Co., Ltd.
Telephone 15026964105
Websitehttps://www.shyuanye.com
Henan's chemical products co., LTD
Telephone0371-60919097 15378766539;
Websitehttp://www.psaichem.cn/
Beijing Minruida Technology Co., Ltd.
Telephone010-82387566
Websitehttp://www.mreda.com.cn/
Henan Lien Chemical Products Co., Ltd.
Telephone03716091-9097 13383857418;
Websitehttp://www.psaichem.com/
Zhengzhou Alpha Chemical Co. LTD
Telephone0371-53732842 13383863444
Websitehttps://www.chemicalbook.com/supplier/23629674/
Bide Pharmatech Ltd.
Telephone400-1647117 13681763483
Websitehttps://www.bidepharm.com/
Bide Pharmatech Ltd.
Telephone400-6005915
Websitehttps://www.picasso-e.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Henan Dowon Chemical Technology Co., Ltd.
Telephone 16696119288
Websitehttp://www.dowon.com.cn
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd.
Telephone025-66061636 19370895928
Websitehttps://www.aikonchem.com/
Shanghai Titan Scientific Co.,Ltd
Telephone 13023226327
Websitehttps://www.titansci.com/index.action
Zhengzhou Haochuang New Material Co., Ltd.
Telephone19139721821; 19139721821
Websitehttps://www.chemicalbook.com/supplier/148360348/
Zhejiang Huida Biotech Co., Ltd.
Telephone0571-89903022 18679456698
Websitehttps://www.huidacollection.cn