1. The shell is made of high-strength aluminum alloy for one-time die-casting, high-speed shot blasting on the surface, and high-pressure electrostatic spray. The outer casing is compact in structure, good in material density, good in strength, excellent in explosion-proof performance, strong in surface plastic powder adhesion, good in corrosion resistance, smooth in surface and elegant in appearance.

2. Can be customized according to user requirements.