Complete design, manufacture, have, use, the industry's first to achieve more than one machine casting automation and assembly line production.The low pressure casting, isothermal casting, forging, casting technology in the application of large diameter cylinder piston, cold liquid die forging technology of the casting products have been implemented in production.Successively passed the ISO9001, ISO14001 and ISO/TS16949, OHSAS18001 and China classification society (CCS) factory authorized.