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。
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.
精铸合金锭的质量及铸件铸造工艺直接影响铸件冶金质量。
The ingot alloy quality and casting process influence directly the casting metallurgy quality.
对国内主要精铸钛合金高尔夫球头商家及其特点，市场现状进行了分析预测。
Majon firms of precision casting titanium alloy golf-club head in the world, their characteristics, and market state were analyzed and predicted.
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