Zhejiang Yuanda Hydraulic Machinery Co.,Ltd.is an enterprise in the research,development,production and sales of varied valve test equipments.With the advanced production equipment and exquisite technology,the production are performed in accordance with the requirements stipulated in GB/T13927-92 Pressure Test for General Valves>,ZBJ16006-90and AP1598 American Standard,as well as well as the procedures in ISO9000 Quality Management System,The YD Series Valve Test Equipment produced in the company can be optical to set up computerized test data management system  
(consisting of Sensor,PLC,LCD touch screen,printer and CF storage card) according to the requirements of customers,with which can perform the functions of hydraulic,elettomechanical,pressure test and the storage & circulation of liquid medium altogether,it has the merits such as reasonable structure,complete functions,stable performance,high automation and so on,has become one valve test equipment relatively led over the world.The products are applicable for strength and sealing performance tests in high-/middle-Low-pressure valves manufacturers, petroleum,petrifaction,natural gas engineering,power station(plant)and water supply(discharge).Its distinguished design and outstanding service has received the recognition and affirmantion from experts,the products has spread over the country and exported to Taiwan,USA,Germany,Canada,Spain,Netherlands,UAE,Japan,Korea,Indonesia etc