Sanhuan Group specialized in manufacture dyes, pigments and resins. the first factory for dyes was found in 1982. now our group has 5 factories and the business activities involved dyes ,pigments, resins and additives for paints, inks and coatings. In order to enlarge our sales volume in the international market, in 2004 we established Qingdao Sanhuan Colorchem Co., Ltd. in charge of export business. Moreover, we have gained high reputation and established long and friendly business relationships with many customers in Latin America, Europe, North America, Middle East, Southeast Asia and Africa.learn more
Color Index (CI for short) is an international collection of dyes and pigments jointly published by the British Association of Dyeers (SDC) and
In daily life, colorful plastic products are ubiquitous and enrich our lives. At the same time, the problem of plastic fading has also become a problem. The fading of colored plastic products is related to the heat resistance, light resistance, acid and alka
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