"Based on domestic market and expand overseas business" is our development strategy for Dl-Methionine, D-Panthenol , Beta-Carotene , Tartaric Acid ,Py-Duck Premix . Welcome to post your sample and color ring to let us produce according to your specification.Welcome your inquiry! Looking forward to building long-term cooperation with you! The product will supply to all over the world, such as Europe, America, Australia,United Arab emirates , kazan ,Portugal , Greece .We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information if you have any questions. We are glad to work for every client.