Wenzhou Dongyi Machinery Manufacturing Co,.Ltd

Wenzhou Dongyi Machinery Manufacturing Co,.Ltd is one of the best high-tech industry factories in China. We have more than 30 years of experience in the development and production of piston compressor spare parts. Such as valves, seal assemblies, connecting rods assemblies, piston assemblies, crankshaft, bearings, oil scraper ring assemblies, crosshead assemblies. We provide a wide range of services in the metallurgical industry, gas and chemical industry, electrical industry, mining industry, petrochemical industry, machinery industry, CNG industry... Thanks to the complete quality system control, strict quality control procedure, our technical equipment level and quality have reached the international standard. We have more than 100 sets of production and quality inspection machines CNC lathes, laser machines, grinding machines, cylindrical grinding machine, inner grinding machine, plane grinding machine, angular grinding machine, lapping machines, lathes for production; gas seal test bench, hardness measuring instruments, spectrophotometer, ultrasonic detection, magnetic particle testing, CMM, crankshaft detection device, vernier calipers, spring fatigue testing instruments, three-coordinate bridge instrument for quality control system. My factory was founded in 2006 in Wenzhou, as the industry leader in the development and production of spare parts for piston compressors and gas separation equipment in China. Our products are widely used in metallurgy, mining, petrochemical, gas separation, chemical, textile, food, medical industries, etc. Provide OEM services. The company has passed ISO9001 certification. The valve design has been patented to improve and extend its service life. Tungsten oxide & ceramic piston rod was successfully invented PTFE filler super-fine wear-resistant fiber was invented for the production of piston ring, backing ring, seal ring of packing, in order to fill the market blank. PPI, MAN, SAID, GE, DRESSER-RAND, NUOVO PIGNONE and etc. All kinds of Chinese compressor brands.