... ,3). Extrusion4). Deep tooling process,a). High precision sawing, b). Bending, c). Punching/Stamping, d). Expansion and contraction, e ... ). Heat sink for lighting, speaker, & other electrical equipment.b). Furniture parts, ladder, mounting bracket/frame for bike etc.c). ... Technical Development Committee,o). China Famous Brand(CPGC-ZM01258)p). Guangdong Famous Brand(CQBE-GD28-B17081)q). China Patent ...