Jilin Jianlong Bioengineering

Jilin Jianlong Bioengineering is a prominent Chinese biotechnology firm focused on the industrial-scale production of amino acids via microbial fermentation. As a key subsidiary of the Jianlong Group, the company has established itself as one of the world's largest producers of feed-grade L-tryptophan. Their operations integrate advanced bio-manufacturing technologies to supply the global animal nutrition and food additive industries. Beyond tryptophan, the company produces other high-value amino acids and bio-based chemicals. Jilin Jianlong Bioengineering maintains large-scale manufacturing facilities in Jilin Province, adhering to international quality standards for global export.