Sigma-Aldrich Inc. | Address: P O Box 355, Milwaukee, Wisconsin 53201, USA 
www.sigmaaldrich.com | Send Inquiry | Phone: +1-414-273-3850?800-558-9160
Sigma-Aldrich Inc. supplies building blocks and reagents for synthesis in organic and inorganic chemistry. We offer functionalized heterocycles for medicinal applications & syntheses of advanced organ more...

Zhiyi Specialty Chemicals Co.,Ltd. | Address: Room 504-505,Tianan Hi-Tech Industrial Plaza-2,No.730,Yingbin Road, Panyu, Guangzhou 511400, China 
www.zhiyi-chem.com | Send Inquiry | Phone: +86-(20)-39388972
Zhiyi Specialty Chemicals Co.,Ltd. deals with antioxidants, ultraviolet absorbers and especial additives. Our antioxidant series include antioxidant emulsion, phenol, thiodi-propionate, phosphite and more...