using high quality iron rod as raw materical ,the welded panel ,after galvanization,powders primer,and powders top coating.it can resist the corrosive and ultraviolet radiation very strongly.the thinckless of powders coating is 100-120 microns usually.the standard opening of the panel is 1/2"x3"(12.7x76.2mm).it obains strong powers to resist the concussion.
post
this system usually choose rectangular post. with the high strength and so on.with plastic caps or roofing rainhat. the finished surface usually is galvanized and powerder coating or alternatively.
fastenings
the panels and posts are jointed together with bolts or riverts,using the steel flat bar,or special steel clamps.all nuts are self_locking .this also can be designed as the special client's requests.
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