Silver-zinc steel fence spike all ????? ?? quality with modern logistics development, shipping costs for the procurement of large industrial products, already can not be considered, but the main thing is to purchase a good product zinc steel fence . Speaking of which, we have to say that zinc steel fence, it is necessary, yes, 11 pools are done cleaning phosphate, acid phosphate after spray treatment, corrosion and rust resistance increased by 5 times. Before the product had to enter the pre-bake spray, spray temperature must reach a temperature over 200 degrees during the spraying. Ensure that each product can stand, time, sun, wind and rain.