​Dongsan Tech Co., Ltd. was established in 1985. As a leader of the non-ferrous metal industry, we provide the best products with the best quality in the shortest amount of time to our customers through our accumulated casting technology and our continuous research and development. 
We supply precision machined castings and forgings of pure copper, copper alloy, and aluminum.Through systematic training, Dongsan Tech promotes constant change and efficiency improvement in order to grow as a worldwide renowned company and to foster labor excellency.