was founded in 1983, as a professional pigment producer, it produces phthalocyanine, chrome yellow and molybdate orange series.Shaungle is a member of China National Dyestuff Industry Association and Organic Pigment Committee and also the vice-executive member of the Chrome Pigment Association in China Coating and Painting Industry Committee as well as ink standing council unit of China Chemistry Industrial Association(CCIA). Shuangle has been awarded the "National high and new technology Enterprise", "Energy conservation and emission reduction Enterprise "by China Petroleum and Chemical Association.