Ruili Meilian is an enterprise of independent R & D, production and sales of high-quality commercial vehicle air compressors. It has won more than 50 air compressor patents and 5 national invention awards. The total amount of Meilian is ¥550 million, covering an area of more than 56000 square meters. There are 3000 varieties with annual production capacity of 1.6 million units. Its products are widely used in light, medium and heavy-duty trucks, large, medium and small passenger cars as well as business travel vehicles, pickup trucks, construction machinery, etc., mainly are provided for Weichai, Yuchai, Cummins and other customers. The company has been recognized as Hebei Province High-tech Enterprises, Hebei Province Science and Technology Center Enterprises, Hebei Province Specialized New Demonstration Enterprises, Hebei Province Industrial R & D Institutions.