Established in 1990, we are the first and only known Chinese manufacturer for equipment which integrated dredging recovery system gold, diamond, garnet, iron all precious semi-precious stone that have higher specific gravity. The construction producing of our new mining, processing plant ...

H. T. R. corp. Is a comprehensive co, . Ltd. It control one big raw copper factory; garments factory and food storage. Service for import / export investment projects road built. We also can deal with the patent innovation co-operation overseas. ...