Impro Precision Industries (鷹普精密工業有限公司) is a company manufacturing precision castings and machined products. It operates through four business segments: Investment Casting, Precision Machining, Sand Casting, and Surface Treatment. The Investment Casting segment offers automotive, diversified industrials, aerospace and medical components. The Precision Machining segment provides automotive, construction equipment and aerospace components, and hydraulic orbital motors. The Sand Casting segment specializes in high horsepower engine and construction equipment components. The Surface Treatment segment provides surface treatment services including plating, anodizing, painting and coating and is mainly used in automotive and aerospace end-markets.