producing area:China supplying capacity:ASTM B117-85, spray-plastic part ≥50 hours, zincification part (color or black) ≥72 hours b) Pull strength: ≥20KN c) Tiredness life-span: ≥40,000 times2) Structure: steel-plate and cable joint stem a) Surface anti-erosion capability: ASTM B117-85, spray-plastic part ≥50 hours, zincification part (color or black) ≥72 hours b) Pull strength: ≥20KN c) Tiredness life-span: ≥40,000 times3) Structure: steel stem a) Surface anti-erosion capability: ASTM B117-85, spray-plastic part ≥50 hours, zincification part (color or black) ≥72 hours b) Pull strength: ≥20KN4) Structure: aluminum and cable joint stem a) Surface anti-erosion capability: ASTM B117-85, ≥50 hours b) Pull strength: ≥20KN c) Tiredness life-span: ≥40,000 times