JL Fine Chemical Co., Ltd. is a high-tech private chemical enterprise producing toluene diisocyanate (TDI). The company is located in Laiyang Economic and Technological Development Zone, Yantai. The factory covers an area of 800 mu and has 950 employees, including 259 engineering and technical personnel with college degree or above and 96 intermediate and senior technical personnel. The company's main product is toluene diisocyanate, which is the main chemical raw material in the polyurethane industry and is widely used.

The company adheres to scientific decision-making, scientific management and scientific and technological progress as the starting point and foothold of enterprise development, and takes the road of sustainable development to promote the safe and healthy development of the enterprise. In order to establish and improve the modern enterprise system and strengthen the integration of enterprise management with international standards, the company has implemented and passed the certification of ISO9001: 2000 quality, ISO14001: 2004 environment, and GB/T28001 occupational health and safety integrated management system. It has passed the acceptance of the national second-level safety standardization enterprise and cleaner production, and the overall management of the enterprise has reached a higher level, and has entered the track of proceduralization, institutionalization and formalization.