Our company insists all along the quality policy of "product quality is base of enterprise survival; customer satisfaction is the staring point and ending of an enterprise; persistent improvement is eternal pursuit of staff" and the consistent purpose of "reputation first, customer first" for Isoheptane, Tetrabutylammonium Hydroxide, Cas 7647-17-8, Cas 7440-05-3,Sodium Stannate Trihydrate. We believe in quality over quantity. Before export of the hair there is strict quality control check during treatment as per international quality standards. The product will supply to all over the world, such as Europe, America, Australia,Colombia, Armenia,Amman, Dubai.To get more information about us as well as see all our products, please visit our website. To get more information please feel free to let us know. Thank you very much and wish your business always be great!