After 40 years technological innovation, our production equipment line have been updated annually, for examples, the laser cutting of steel plates, intelligent beveling, large-scale digital rolling, from machine rolling, intelligent welding of cylinders and frame beams, large-scale machining, specialized unit assembly to final assembly have been developed towards mechanization, automation and intelligence in every process. It guarantees the visualization, digitization, inspectability, controllability and analytical procedures of production, as a result of improves production efficiency, ensures the consistency of product quality.