Impro Precision Industries (鷹普精密工業有限公司) is a company that manufactures 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 construction equipment, aerospace components, and hydraulic orbital motors. The Sand Casting segment specializes in high-horsepower engines and construction equipment components. The Surface Treatment segment offers plating, anodizing, painting, and coating. The company serves medical, energy, aerospace, industrial, and other markets.