Dory Hydraulic Machinery Manufacture Co., Ltd. was established in 1984. During these years, DORY has developed into the international market as the superior leader in domestic market, regarding both the market share and the advanced technology. Our valve testing equipment and industrial valves has been sold to over 15 countries and won a high reputation with good quality and strong after-sales services.



All our products are designed, developed, manufactured and tested by ourselves. The product development is influenced by the experience. Many of our customers have made great...