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Zhejiang Wenzhou Yongjia Super-refine Machinery Factory 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/T13927-92��Universal valve pressure test�� and JB.T9092-99��Valve inspection and test...
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