Investment, precision, castings, which are used in aircraft military, mail, transfer and medical machine. Systems etc. They are of thin wall complex precision stronger are smooth. Surface of minimum copper.

• 航空、航天、军事、通信、医疗器械等行业薄壁、复杂、精密、高强、光洁的铝合金、铜合金、不锈钢、合金钢等各类材质熔模精铸件。