... , including all kinds of metal materials, such as carbon steel, stainless steel, copper, aluminium, nickel, titanium.2.1 Character:2.1 ... stainless, aluminium, copper, nickel and titanium, compound metal, cast iron, almost all kinds of electric metal sheet. It can be widely applied ... known brand. So, it is higher reliability.2.1.4 Low air pressure protection (indicator), over-head protection and want ...