We insist over the principle of enhancement of 'High high quality, Efficiency, Sincerity and Down-to-earth working approach' to offer you with superb assistance of processing for Photochromic Pigment Products, Colour Changing Pigment Powder, Infrared Pigment, Ink That Changes Color With Light,Black Thermochromic Paint. We warmly welcome domestic and abroad buyers deliver inquiry to us ,we now have 24hours doing work team! Anytime anywhere we are still here to be your partner. The product will supply to all over the world, such as Europe, America, Australia,Qatar, Mauritius,Iceland, Estonia.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.