LEUCO DYE FACTORY HN JYD CHEM

HN JYD CHEM FACTORY as established in Jiangsu province in 2012. Engaging in research, development , production of fine chemicals . It is the leading manufacturer of thermochromic dyes in China，engaged in color former leuco dyes as thermochromic materials. leuco dye themermochromic chemicals leuco dye is thermochromism , heat & pressure senstive have wide usage. bellow its is pictures . its apperance is white , but could forms differnet colors if reacted with acid materials. we are in manufacture of leuco dye color forms red, green , yellow , purple. blue , orange. and wil go on the black for thermal lable soon . welcome your email if anyone interests of it to yuebingke@jydchem.com or whatsapp me 0086 15639103354