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Products > offering structure material > Qingdao Sino Witop Steel Co.,Ltd. | Similar Products

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offering structure material

" found 3 Products from Qingdao Sino Witop Steel Co.,Ltd., China

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0.18MM Thick Galvalume Corrugated Roofing Sheet: materials, product's thickness and width test, zinc coating test, T-bend test, impact test, tensile test, color difference analysis during production,salt-spray test and package testing on exported ...

Hot Dipped Galvanized Corrugated Roofing Sheet: materials, product's thickness and width test, zinc coating test, T-bend test, impact test, tensile test, color difference analysis during production, salt-spray test and package testing on exported ...

G550 Hot Dipped Galvalume Steel Coil: offer free samples, but customers have to pay the air freight charges. And once you confirm a trial order, we will refund the air charges.2. How is your quality control?We have strict quality control ...

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