Qingdao Changsheng Group Co., Ltd. was founded in 1917 and is a nearly century-old large-scale comprehensive national enterprise. “Changsheng” as a brand in China, obtain the honor name “ National Free-inspection Quality Products”, “ Assured oil” of CAGS, “ The Green Food’ issued by The Ministry Of Agriculture, Shandong Province Brand Product, Qingdao City Brand Product, Qingdao City Assured & Satisfied Products. You can also look around our website:***** or http://*****/.