Tianjin youfa steel pipe group |
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STK500 48.6*2.2 scaffolding tube export import China supplier made in China
STK500 galvanized alloy steel scaffolding tube is with unique 5-layers structure. (Middle parts: one common steel layer between two alloy steel layers.; Each zinc aluminum alloy layer on the internal & external tube surfaces.)
Zinc aluminum alloy layers on the internal & external scaffolding tube surfaces were added with the Mn/Si/ Niobium/Titanium and other metallic elements to reinforce the anti-corrosion prosperity & extend the lifespan.
Contact information:
Camilla Kong
Skype:camilla.globe
Whatapp-Wechat-Line:0086 13602110465 Tel:86-22-59385986