Qingdao Rich material Co., Ltd., which was founded in 1992, is a wholly-owned subsidiary of Dawn Polymer. It is a national high-tech enterprise specializing in the development, production, sales and service of color masterbatch and functional masterbatch. Its product categories include color masterbatch for home appliances, color masterbatch for fiber grade, general black and white color masterbatch, biodegradable color masterbatch, filler masterbatch, etc., which have been widely used in the fields of home appliances, chemical fibers, pipes, films, sanitary materials and so on.