continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for BOC-D-Phe, METHIONINE, factory, 139262-23-0,factory. We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success! The product will supply to all over the world, such as Europe, America, Australia,Israel, Tanzania,Turkmenistan, Malaysia.We are looking forward to cooperating closely with you to our mutual benefits and top development. We guaranteed quality, if customers were not satisfied with the products' quality, you can return within 7days with their original states.