Founded in 1992, Zhengzhou Top Metalwork Ltd is a leading manufacturer and exporter of custom- built metal parts, especially trailer parts. We produce as per customers' drawings, Samples and specifications. Over the past many years, we have been producing various idler hub, brake drums, gear housings and other iron or steel parts, more than 90% of which are exported to US, UK, Germany, France, Canada, Italy, etc. Last year we exported around 170,000 idler hub to USA market. No matter castings, forgings, machined parts, or fabrications, we make sure you can get the quality at a competitive price!