Shanghai Join-Ray Biotechnology Co., Ltd is a biotech company, focusing on developing, manufacturing and marketing proprietary amino acid products of biological fermentation technology. The company's key personnel are all experienced engineers with proven track records and are well known in the field. The pharmaceutical products developed and produced by fermentation method are L-Arginine, L-Citrulline, L-Ornithine, L-Glutamine, D-Ribose
