Rainbow Pigment Co., Ltd. Is a professional pigment company in Tawain since 1971. for assisting customers more, we established own brand " CHROMONK" in 2005, developing and manufacturing inkjet ink for all printer brands and wide-format plotter. by devoted to R& D and customer service, CHROMONK has performed as well as OEM.

To promote the quality of products and to reduce the clients' cost are very important for us. Accordingly, we insist on " Total Quality Control" and cooperate with academic community to improve the production and enhance the management. Due to the best quality, we have got the certification of ISO 9002 and ISO 9001:2000 successively; and therefore, we create the best customer' s content and improve the enterprise achievement to promote international competition.