Ningbo Guoguang Biotechnology Co., Ltd. is located in Cicheng of Ningbo City, Zhejiang Province in China, covering an area of 30 acres. It is a production-oriented enterprise specialized in producing food additives and nutrition enhancer, medical intermediate product. The company has a number of professional and technical personnel engaged in the type of amino acid products research and development. At present the company mainly produces L-Citrulline, L-Citrulline DL-Malate(2:1) (1:1), L-Tryptophan, L-Lysine, DL-Methionine, L-Aspartic acid (sodium), L-Valine, L-Alanine, L-Threonine, L-Leucine, L-Isoleucine, Glycin and other products. We make sure each people contacting us will get profit based on our excellent quality, reasonable prices, and attentive service.We have three production lines:L-Citrelline series: L-Citrulline, L-Citrulline DL-Malate, L-Citrulline- L-MalateL-Arginine series: L-Arginine, L-Arginine alpha KetoglutarateL-Cystine series: L-Cystine, L-Cysteine hcl monohydrateL-Cysteine hcl Anhydrous.Carbocysteine, N-Acetyl-L-Cysteine
