With advanced technologies and facilities, strict high quality regulate, reasonable price tag, excellent support and close co-operation with shoppers, we have been devoted to furnishing the best benefit for our buyers for Hydrochromic Inks, Sunlight Sensitive Coating Dye For Photochromic Lenses, Color Shift Powder, Thermochromic Color Change Pigment,Solar Change Ink. Please don't hesitate to contact us if you are interested in our products. We firmly believe our products will make you satisfied. The product will supply to all over the world, such as Europe, America, Australia,Kyrgyzstan, St. Petersburg,Toronto, Nairobi.Our monthly output is more than 5000pcs. We have set up a strict quality control system. Please feel free to contact us for further information. We hope that we can establish long-term business relationships with you and carry out business on a mutually beneficial basis. We are and will be always trying our best to serve you.