... #,82B,77B 1.Hot dipped zinc plated ,A / B grade. 2.Professional manufacturer Strict quality control Production Detailed Information1 ... 6. Output240,000 TONS/YEAR7. Performance characteristics1. Thick zinc-coating.2. Fine Brightness and Smoothness ,Accurate fixed ... Test RequiredNominal Diameter,Torsion,wrapping, tensile strength, Thickness of zinc coated , Breaking force at 1% elongation10. Payment ...