Zhejiang Youji Machinery Technology Co.,Ltd is an enterprise specialized in producing valve pressure-testing inspecting equipment.Our factory owns a young and stable professional mechanical technical team,continuously exploits "vertical,horizontal,diving type and peak pressure type" valve testing bench and valve sealing mnller.Ourfactory designs and improves new age hydraulic valve test bench according to GB/T13927-92ï¼›Universal valve pressure testï¼› and JB.T9092-99ï¼›Valve inspection and testï¼›and American API159 8-99 standard.This serises test equipment collects hydraulic,motor,test pressure and liquid medium storage circulation use into one organ with perfect...