Shanghai Ruiying Machinery Manufacture Co., Ltd. is located in Shanghai, which is a specialized company in designing and manufacturing generator sets and engines used for generator sets. Our main products include air-cooled gasoline (petrol) generator sets (0.85 - 5.5kW), air-cooled diesel generator sets (2.0 - 5.0kW), and water-cooled diesel generator sets (8 0 - 2,000kW). For all generator sets above, which are designed as per two mail electricity criteria, 50Hz 400/230V and 60Hz 220 / 110V. However, products of other electricity criteria can also be supplied, such as 60Hz 460/266V. The water-cooled diesel generators sets can be sorted into following categories: general model, sound proof or silent model, general portable power station model, and sound proof portable power station with trailer. We supply automatic generating set which is controlled by an ATS controller. For full view of our products, please visit our website. We sincerely welcome more friends to cooperate with us.