Collagensei Inc. is a professional manufacturer of high quality hydrolyzed collagen.Additionally, we have other dietary supplement ingredients including glucosamine sulfate, chondroitin sulfate, sodium hyaluronate, gelatin, and more.With the annual production 3,500 tons, our products are widely used in food, pharmaceutical and health food production. We equip with top-ranking laboratories, advanced laboratory equipments, modern production equipments. Our company is certificated by ISO 9001, ISO22000,HALAL and KOSHER, all main products passed SGS testing.