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
Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Bide Pharmatech Ltd.
Telephone400-1647117 13681763483
Websitehttps://www.bidepharm.com/
Hebei Int'en Pharmaceutical Technology Co., Ltd
Telephone 18932921510
Website