JW & Y Pharmlab Co., Ltd.
Telephone021-64340559 13651849907;
Websitehttp://www.jwypharmlab.com.cn
Shanghai WangFa Chemical Technology Co., Ltd.
Telephone 13918479294
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30419/0_EN.htm
Shanghai alkynechem Co., Ltd.
Telephone086-021-15821262312 15821262312
Websitehttp://www.alkynechem.com
Shanghai zhigan biotechnology co., LTD
Telephone
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31144/0.htm
Suzhou Rovathin Foreign Trade Co.,Ltd
Telephone0512-65816829 18662214788
Websitehttp://www.rovathin.com/