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. There are many ways and specifications for the inlet and outlet.

3. The thread of the inlet and outlet can be specially made.