Tianjin Danming Chemical Co.,Ltd, former Taoka Chemical (Tianjin) Ltd, produces and sells Rhodamine Colors, highly bright and fluorescent basic dyes. For the beauty of color, they are widely used in the dyeing of fiber, paper, crop seed, resin, leathers, organic pigments (printing ink, stationery ink), sundry materials and so on. They have not only special application in making laser pigment, but also many other applications in optical communication, printing, medical treatment and otherwise.