Dezhou Rongguang Biotechnology Co., Ltd. is a limited liability company. The company was established in April 2012 with a registered capital of 20 million yuan, covering an area of 46.5 mu, and has a total of 41 employees, including 8 management personnel and 7 technical personnel. The company is located in Tianqu Industrial Park, Decheng District, Dezhou City, adjacent to the north exit of Binde Expressway in Dezhou to the south, and close to the main line of the Beijing-Shanghai Railway and National Highway 104 to the west, enjoying convenient transportation and a superior geographical location. The company adopts its own developed continuous production technology equipment, using waste oil as the main raw material to produce methyl ester of fatty acids (biodiesel), methyl ester of epoxy fatty acids (a new type of plasticizer), and a series of plant asphalt products. Among them, the yield of biodiesel can reach 90%, with an annual output capacity of up to 100,000 tons.