Chengdu J&B Technology Co., Ltd.
Telephone28-61186694 15608078506
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19082/0.htm
Beijing Haite lesk Technology Co., Ltd
Telephone15210893940; 15116916250
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList804170/0.htm
Changzhou Kechem Bio-Scientific Co., LTD.
Telephone0519-68985668 13685222090
Websitehttp://www.kechem.cn/
Shanghai Xiushi Biomedical Co., LTD
Telephone15021598081,571034478; 15021598081
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1986421/0.htm
Aromsyn Co., Ltd.
Telephone+86-0571-85585865 +8613336024896
Websitehttps://www.aromsyn.com/