We are a manufacturer of tripeptide collagen in China.I would like to let you know we have been providing high quality tripeptide collagen to our valued customers all around world for years and we have high production capacity and quality control system to meet different customers? demands.Should you have interesting in our products, please do not hesitate to contact me . maybe it will be the beginning of our long and well business relationship.It will be very appreciated if you kindly send me any further questions and enquiries.