Dong Yang Piston have been concentrating on the developemtn of technology rather than on very extensive scale without any reasonable backgrounds  in an attempt to produce the products of best quality with which no others could compete.
It is our main objective to comply with the demands from our customers by supplying the best procuts rather than to increas theire numbers without any reasonable policy.
It is our firm belief that Dong Yang Piston will grow together with our customers when they are to be loved by their final users.