... kinds of metal, metal and alloy and stainless steel plate, strip, 2, thickness and 2mm scope: 0.5 ... 1), petroleum, chemical, food, pharmaceutical precision filter, filter plate, filter canister, filters, (2) electronic industry with metal plate, plate leakage, lead, lead frame, metal substrate ... parts of concave and convex surface, (5) metal plate and the design of complex metal accessories and elegant ...