Zhejiang Youji Machinery Technology Co., Ltd. Is specialized in producing hydraulic test bench for valve sector. Our factory has a young while knowledgeable team which consists of professional engineers and mechanic technicians aiming to develop " Horizontal, vertical, diving style, top-press-style" product line. According to GB/T13 " Universal Valve Pressure Test", JB/T9092-99 " Valve Inspection and Testing" & API598-99 standard, we designed a new generation of hydraulic valve test bench, this series product fully equipped with manual& auto option, liquid storage and recycling system, functional 90 degree rotation design, applicable to all types of high and medium pressure valve shell and seat performance test which widely used both at home and abroad.