HAP DONG Machinery works company has been founded at 1954.
HDV (Hap Dong Variable speed reducer - Chain type) is a major product.
Since HDV developed at 1968, we have endeavored doing best to research and develope to keep top level in this field of manufacturing procedures are carrying out through factory automation system.
It is our pride that we can produce high quality product under stable and precise technique.
HAP DONG could be remained in that our customers would recognize the truth, reliance and excellence to our product.