The valve has character of axis of symmetry and type of wafer connection. It is small, light, simple and compact structure, convenient dismount and maintenance, flexible operation and is driven by handle, worm gear, pneumatic and
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公司基本资料信息
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The valve has character of axis of symmetry and type of wafer connection. It is small, light, simple and compact structure, convenient dismount and maintenance, flexible operation and is driven by handle, worm gear, pneumatic and
