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。