ZheJiang Hongyou Compressor Manufacturing Co.,Ltd.is a professional enterprise which specializes in manuafacturing &exporting air compressors and air compressor pumps; direct driven and belt driven, oil lubricated and oil free, silent units. Our products are exported to Europe, USA, Canada, Australia, Mexico and many other countries over the world. Annual production capacity is 720,000 units. Our company, as an experiment base of National Compressors Academie, has achieved the ISO 9001 quality certification, and our products have also obtained the GS certificate and CSA cetificate, and we also have CE Tank approval and ASME Tank Approval.