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Color coated aluminum roll

Color coated aluminum coil is color coated on aluminum coil.

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What is a guardrail?

Guardrail - here refers to the industrial "guardrail".

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What's the difference between a guardrail and a fence?

Guardrail is generally used in residential high-rise building guardrail, home decoration indoor, living room balcony and other places.

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Classification of structural steels

The content of sulfur, phosphorus and other nonmetallic inclusions in high quality carbon structural steel is lower than that in ordinary carbon structural stee···

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Understand the thickness of zinc layer of different galvanized sheet

Understand the thickness of zinc layer of different galvanized sheet.

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