表面處理及熱處理加工h Temperature Precision Casting Alloys Transfer of High Temperature Precision Casting Alloys Precision Casting High Temperature Precision Casting Alloys Stainless Steel Casting and Customized High Temperature Precision Casting Alloys; High temperature precision cast alloys for automotive components and accessory equipment; Customized metal forming self-produced products, imported high-temperature precision casting composite materials for precision hardware accessorieor automotive parts and accessories, and manufacturing and casting precision hardware accessories for castings; Development and Promotion of High Temperature Precision Casting Alloys by Casting Higng