The reason why the surface of the galvanized coil is coated with a layer of zinc on the surface of the steel, in fact, is also because the steel plate is susceptible to oxidation by water and other oxides in the air, thus being corroded, the coating of zinc is actually to better protect the steel.
Galvanized Steel Coil Description

FAQ
Q:What is your payment terms?
A:Our usual payment term is 30% deposite, and rest against B/L. L/C is also acceptatble.EXW,FOB,CFR,CIF.
Q:Do you accept the third party inspection?
A:Yes absolutely we accept.
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