Features: 1) Japanese grill wire: a) Galvanized inside iron b) Outside wrapped by tin 2) Korean grill wire: a) Mostly square b) Cotton ginning technique adopted 3) Wire netting welded in the iron wire frame, then galvanized 4) The technique of galvanization is through Cambridge blue passivation 5) Bright and can endure the canker 6) Used in Europe and America 7) Mainly welded by thick iron 8) Surface are chrome plated, nickel, and galvanized 9) Also produce stainless steel grill wire netting, polished and with a handle