Shanghai Long Qi heavy industry machinery co., LTD., an integrating industry and trade of second-hand construction machinery trading center, which enjoys major surpport from the municipal government of Shanghai minhang district .Our company has sheer size, and has all kinds of second-hand rollers, second-hand loaders, second-hand cranes, second-hand mobile cranes, truck cranes, used excavators, bulldozers, second-hand forklifts, second-hand graders and second-hand construction machinery such as thousands of vehicles;It covers an area of more than 100,000 square meters and always keep the leading position in domestic second-hand construction machinery industry and get a number of honors from Shanghai government's industry. Our company strictly according with ISO management system management. Shanghai hongsheng second-hand engineering machinery set the highest mechanical product testing standards for industries of the same field, which is in strictly accordance with the ISO international quality management system, whose "quality of 10 indicators" directs the imports and exports of mechanical products, ensuring the quality and qualification of "second-hand engineering machinery products. It has a comprehensive technical surpport and after-sale service capabilities ranges from accessory, maintenance, marketing, customization, product marketing to after-sale guarantee "Long qi machine" sold to more than 30 provinces and autonomous regions in China as an industry brand, with reliable products, high-quality ,pre-market and after-sales service and renowned