Zhengzhou Top Metalwork LTD, Henan Province, China was founded in 1992, produces various idler hubs, brake drums, gear housings and other iron and steel parts. More than 90% of the products are exported to US,UK, Germany, France and Italy. Now we have two foundries and a large forging factory.Simulation and determination of solidification process has been applied in the design of cast technology. Cupola-electric furnace for melting, automatic moulding line, spectrometer, universal tensile experimental machine and metallurgical microscope are also used to meet and surpass expectation of customers. Besides, we've got ISO9001:2000 certificate. And intake and exhaust manifolds are also available.