Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Yutong Pharmaceutical Technology (Suzhou) Co., Ltd.
Telephone0512-15851462628 15851462628
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList696760/0_EN.htm
Shanghai alkynechem Co., Ltd.
Telephone086-021-15821262312 15821262312
Websitehttp://www.alkynechem.com
SHANGHAI YOUNG-CHEM CHEMICAL CO., LTD.
Telephone 13817489192
Websitehttp://www.ychemchemical.com/
