The multistage powder selecting machine comprises a shell, a motor, a rotor, wind guide blades, cyclone cylinders, a feeding pipe and a wind converging pipe;

包括壳体、电机、转子、导风叶片、旋 风筒、进料管和汇风管；

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INLET GUIDE VANES, a fixed set of blades in front of an engine compressor for directing airflow to the compressor.

进口导向叶片，发动机压气机前的一组固定叶片，用以引导气流进人压气机。

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The no machining directional solidification hollow turbine blades, hollow guide vans and complex structure parts used in aero engine and gas turbine made by vacuum precision investment casting.

航空发动机、燃机等精铸真空无余量空心涡轮、导向叶片及复杂结构件。多种热处理炉上用料盘，夹具等耐热合金钢精铸件。

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