We believe in: Innovation is our soul and spirit. Top quality is our life. Purchaser need is our God for China CAS No. 527-07-1, Concrete Admixture 99% Sodium Gluconate Retarder, Ca Lignosulphonate, Food Grade Sodium Gluconate Retarder,Dye Additive Nno Disperant. Sincerely look forward to serving you in the near future. You are sincerely welcome to visit our company to talk business face to face with each other and establish long-term co-operation with us! The product will supply to all over the world, such as Europe, America, Australia,Paris, Guatemala,Bangladesh, India.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.