Aluminum Project Box 1.stainless steel,aluminum . 2.30 years in . 3.Comprehensive & reliable Service . 4.OEM fabrication . ... Bending,Tig Welding,Mig Welding,Riveting, Grinding,Stamping, Assembling,etc. Surface treatment: Powder coating,Hot galvanized,Painting,Polishing,Brushing,Cataphoresis,Chrome/Zinc ...