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07/17

2026

Common Quality Problems of Color Coated Steel Coil and How to Avoid Them

Common Quality Problems of Color Coated Steel Coil and How to Avoid Them

Color coated steel coil is widely used for roofing sheets, wall panels, sandwich panels, appliances, and building materials. However, if material selection, production control, packing, or transportation is not handled properly, quality problems may occur.

07/13

2026

Corrugated Roofing Sheet Materials: PPGI, PPGL, GI or GL?

Corrugated Roofing Sheet Materials: PPGI, PPGL, GI or GL?

Corrugated roofing sheets are widely used in warehouses, workshops, agricultural buildings, prefab houses, commercial buildings, and residential projects. They are lightweight, easy to install, and suitable for different building structures.

07/01

2026

Galvanized Steel vs Galvalume Steel: Key Differences for Buyers

Galvanized Steel vs Galvalume Steel: Key Differences for Buyers

Galvanized steel and galvalume steel are both coated steel products used in construction, roofing, wall panels, building profiles, and industrial manufacturing. They are designed to protect steel from corrosion, but their coating structures are different.

06/26

2026

PPGI vs PPGL: Which One Should You Choose for Roofing Sheets?

PPGI vs PPGL: Which One Should You Choose for Roofing Sheets?

PPGI and PPGL are both color coated steel coils used for roofing sheets, wall cladding, sandwich panels, building profiles, and industrial products. They look similar after painting, but their base materials are different.

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