Relatively low-end cold rolled steel metal trumpet mesh. The metal horn grille of cold-rolled steel ...
At present, there are two kinds of speaker nets for automotive interiors, mainly plastic and metal. ...
Usually referred to as etching or photochemical etching, it refers to removing the protective film ...
Metal foil tape: Relatively easy to manufacture. The use of aluminum foil and copper foil backing ta...
Electronic equipment manufacturers usually use electromagnetic interference (EMI) and radio frequenc...
A welcome ceremony is held this morning on March 30 for our colleagues from Hubei.