Tianjin Olefin Pharmaceutical Co., Ltd.
Telephone18202662021 18522876413
Websitehttp://www.olefinpharm.com
Suzhou Rovathin Foreign Trade Co.,Ltd
Telephone0512-65816829 18662214788
Websitehttp://www.rovathin.com/
Beijing xinyanhui pharmaceutical research and development co., LTD
Telephone 13969155946
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList710437/0_EN.htm
Block Chemical Technology (Shanghai) Co., Ltd.
Telephone021-20432219 13918097649
Websitehttp://www.acblock-lab.com
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonedayouchem@126.com 15165037910
Website