We are the only one china mainland manufacturer that cooperate with LCR company which is the world's largest producer of colour changing, temperature sensitive indicating graphic devices and materials. So we are confident for our product quality! Specialized manufacturer of color changing products in the China mainland. Offer Thermochromic, Hydrochromic and Photochromic materials that are also available as Printing Inks, Labels and Plastic Concentrates. Our range of colour changing plastics are added into temperature indicating parts in colour change coffee mugs. Cold drink tumbler, and children's heat sensitive safety spoons and cups , as well as state of the art clothing, swim wear, T shirt printers or the leather notebook etc.Our export rate is 98 % and we can provide required certificates and testing report ,Factory passed BSCI ,FAMA audit .Warmly welcome to our factory for a visit!