Zhejiang Youji Machinery Technology Co.,Ltd isan enterprise specialized in producing valve pressure-testinginspecting equipment.Our factory owns a young and stableprofessional mechanical technical team,continuously exploits"vertical,horizontal,diving type and peak pressure type" valvetesting bench and valve sealing mnller.Ourfactory designs andimproves new age hydraulic valve test bench according toGB/T13927-92;Universal valve pressure test; and JB.T9092-99;Valveinspection and test;and American API159 8-99 standard.This serisestest equipment collects hydraulic,motor,test pressure and liquidmedium storage circulation use into one organ with perfect...