Sigma-Aldrich Inc.
Milwaukee, Wisconsin 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 organic intermediates. Our chiral line includes auxiliaries, enzymes, and reagents for resolution techniq More...
www.sigmaaldrich.com

Bibot Chemical Industries
Shanghai, China Bibot Chemical Industries offers various types of chemicals and inorganic materials. Our chemical products include base, hard, precious & scattered metal, special and basic inorganic chemicals. Our basemetal chemicals are tin, nickel, zinc and cupric chemicals. We offer various types of coating chem More...
www.inorganicmaterials.cn