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Shanghai GREELOY Industry Co., Ltd, professional manufacturer of silent oil free air compressors from China. The company located in Qingpu industrial zone, with beautiful environment, convenient transportation; it is a large modern enterprise with integration of research and development, design, production and sales. Since establishment, with focus on development of the industry for silent air compressors, oil free air compressor and some other environmental protection air industries, GREELOY products has built a very nice reputation among our customers. Until now, GREELOY have 6 registered brands, more than 100 models, especially "GREELOY" air compressor, is a well-known brand in home and abroad.