changzhou gas master air compressor manufacturer product series changzhou gas master is a global air compressor manufacturer that you are trustworthy. it provides customers around the world with screw air compressor products for various applications. about us gas master is a well-known air compressor brand specializing in the research and development, sales and services of air compressors. gas master focuses on energy-saving air compressors for more than 20 years. he has advanced technology and rich experience in r&d and manufacturing centers. he continues to innovate and specializes in research, development and production of air compressors and engineering machinery. the gas master air compressor mainly includes a series of products such as twin-screw air compressors, mobile screw air compressors, variable frequency screw air compressor process compressors, etc. specializes in the research and development, manufacturing, sales and services of various air compression equipment. the products are mainly oil-free, micro-oil, intelligent permanent magnet frequency conversion, dual-stage compression, single-stage compression, permanent magnet low-pressure and other series of air compressors... more information: the 6 major advantages of gas master air compressor why choose gas master air compressor is an energy-saving manufacturer that directly faces customers' sales and services.