19s of the 70th century: the state planned economy, appointed Jilin Yanbian and Hubei Wuhan to produce oil-free lubricated pendulum air compressors;
2000: Li Jing Tuzhi, enterprise founder: Mr. Dong Enhai founded Dunhua Bohai Air Compressor Factory;
2004: The company took the lead in the industry to pass the ISO9001-2000 quality system certification;
2004: The water-cooled air compressor obtained two patents;
2007: Joint venture established Yanbian Tian Yi Century Air Compressor Co., Ltd.;
2010: Dunhua Bohai Air Compressor Factory and Yanbian Tian Yi Century Air Compressor Co., Ltd. were reorganized
2011: Yanbian Bohai Machinery Manufacturing Co., Ltd. corporate celebration was held in the new site of the development zone;
2012: The company invested in the establishment of Langfang Shuangqi Machinery Manufacturing Co., Ltd., opening a new chapter in the development of the group!
A comprehensive enterprise that integrates air compressor design, research and development, production, sales, and technical services, covering the entire chain of air compressor products.