As the "hardcore" operator of Shanghai's advanced manufacturing industry, Sany Heavy Machinery produces an average of one medium-sized excavator offline every 20 minutes, making this efficient production scene remarkable. From component processing to complete machine assembly, and then to quality inspection, every step is precisely controlled to ensure stable and reliable product quality. This efficient production mode not only significantly improves production efficiency and reduces production costs, but also greatly enhances the market competitiveness of the enterprise. As a contractor of Sany Heavy Machinery, Henan Datang Engineering Machinery has a large number of second-hand Sany excavators, Sany loaders, Sany cranes, Sany mining dump trucks, with complete models and affordable prices.