Qingdao Bohongyuan Industry and Trade Co. Was founded in 2013, based on Longkou Zhongda Machinery Plant in China, has been specialized in manufacturing and sales on air compressors with long term. In our plant located departments as iron and steel casting, forging, machine-processing, assembly lines, and independent sale teams, the products included more than 50 series and 120 models, with stable performance, the quality is established by the standard ISO/TS 16949:2012, certificated by ISO 9001:2000.The product models cover Wechai, Yuchai, Xichai, Shangchai and others for Chinese engines, and also Benz, Cummins, Yamz, MMZ and the others Euro/US engines. We are also providing all kinds accessories for Auto brake air compressors, and refrigerator compressor, like cylinder block, crankcase, cylinder head, crankshaft, valve plate, valve reed, piston, connecting rod, even complete-sets of spare parts and so on.Good products, nice service, glad to see you, our friends.