Hebei Jingu Grease Technology Co., Ltd., one of the largest grease chemical enterprises, is engaged in the comprehensive development and utilization of vegetable oil sediment, catering waste oil, etc. The company is located in Tiangongying Industrial Area (at the intersection of Tianwang Line and Xixiao Line, two main longitudinal and transverse roads in Xinji City), Xinji City, Hebei Province, 20 kilometers away from Beijing-Kowloon Railway in t