Shanghai Honest Compressor Co., Ltd., founded in early 2004, is a British-owned enterprise. The company, located in East industrial park of Nanxiang Town, Jiading District, Shanghai, is a large-scale manufacturing enterprise specialized in the twin screw type air compressor and also important supplier of air system solutions. OSG implements strict and full management in the whole process of production and strictly controls the product quality and environmental protection. The company has passed ISO9001: 2008 quality management system certification and national industrial product manufacture licensing certificate. As to the technology research and development, the company pays more attention to market trend, is close to the user demand, actively absorbs the domestic and foreign brand performance structure advantages and integrates maintenance facilities which makes the air compressor more perfect structure, more excellent performance and obvious energy saving. Through the test of state compressor test center, energy consumption data is better than the national standard of energy saving and could supply multiple models and types of air-cooled, water-cooled screw air compressor ---5KW-400KW and 0.5m3/min70m3/min flow of EU-EX series for the users to choose, supply inverter air compressor, oil-free compressor, mobile compressor and a full set of construction plans for the air compression station. The company has the capability of design and manufacture, user training, service support, overhaul and complete set of services. In order to contact the customers, we have opened service hotline for free-400-705-9168 and established branches and dealer sales and service teams in major cities to meet the various needs of users. In the process of making the world first-class brand of the compressor, OSG takes the spirit of enterprise-technology, service and sincere to return customers as win-win goal.