The mesh on the speaker is mainly dustproof and protective for ordinary speakers. Dustproof is easy to understand, that is, to prevent dust from falling on the speaker.
The understanding of pr...
Expanded mesh is one of the most economical and strongest steel mesh or grating materials on the market due to its method of production. Expanded mesh is made from solid sheet metal, it is not wove...
According to the latest surveys, most perforated sheets are produced with round holes. Why? Round roles are manufactured relatively easier with aesthetic effects. The circular die for punching shee...
Stepping on the expanded metal mesh is made of Q195, Q235, galvanized sheet, and stainless steel. The thickness is generally 3mm, 3.5mm, 4.5mm, 5mm.6mm.
The mesh generally adopts 22*60mm, 24*5...
Perforated filters made of perforated sheets can be divided into perforated cylinder filters, perforated basket filters, perforated cone filters and perforated tube filters. Generally made of ...
一、The difference between galvanized and stainless steel
The first difference is that the concepts are different; galvanizing refers to coating a layer of metallic zinc on the surface of the steel...
