Sigma-Aldrich Corp.
Missouri, USA Sigma-Aldrich Corp focuses on biochemical and organic chemical products & kits that are used in scientific and genomic research, biotechnology, pharmaceutical development and diagnosis of disease. We offer a broad range of molecular biology reagents and chemicals. We focus on antibody explorer, auto More...
www.sigmaaldrich.com

Ningbo Jeing-Yuan Biotechnology Co., Ltd.
Ningbo, China Ningbo Jeing-Yuan Biotechnology Co., Ltd. engages in researching, manufacturing & distribution of various biological and chemical Products. We specialize in amino acids and nutritional supplements. We offer L-arginine base L-arginine Hcl, L-cystine, L-cysteine base, L-cysteine Hcl anhydrous, L-cyste More...
www.jeing-yuan.com