Industrial Valves, Iron casting pipes, auto mould, numerical control machine casting are their main products.

主导产品有工业阀门、铸铁管件、汽车模具、数控机床铸件等。

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There are many kinds of hydraulic control valves which are the main components of a hydraulic system.

液压控制阀的种类很多，是组成液压系统的主要元件。

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Hydraulic control valve consists of a main valve and attached to the catheter, guided valves, needle valves, ball valves and pressure gauges and other components.

水力控制阀由一个主阀及其附设的导管﹑导阀﹑针阀﹑球阀和压力表等组成。

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