news — from the mill.
Production notes, industry updates, and a little colour on what we’re making this month.
How to Inspect PPGI Coil Before Shipment: A Buyer’s Guide
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. Why Pre-Shipment Inspection Matters for PPGI Coils Pre-shipment inspection is your last chance to verify quality before payment and logistics lock in. A PPGI supplier China may offer competitive FOB pricing, but without inspection, you might receive coils […]
Read →
PE vs SMP vs HDP vs PVDF PPGI Coating: The Ultimate Guide
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. Understanding the Four Major PPGI Coating Types Pre-painted galvanized steel coil (PPGI) is coated using a continuous roll-coating process where the steel substrate is first hot dip galvanized and then painted with one of four primary resin systems. […]
Read →
Prepainted Galvanized Steel Coil Coating Types: A Complete Guide
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. Understanding the Substrate: Hot Dip Galvanized Coil Before exploring prepainted galvanized steel coil coating types, it is essential to understand the base material. All prepainted coils at ChinaCNU Steel start with a hot dip galvanized coil (GI coil) […]
Read →
Z275 Galvanized Steel Coil Corrosion Resistance: The Ultimate Guide
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. The Z275 designation refers specifically to the mass of the zinc coating applied through the hot dip galvanized coil process. This coating thickness, typically ranging from 20 to 25 microns per side, creates a robust barrier against moisture, […]
Read →
Galvalume AZ150 Coil for Metal Roofing – Premium Aluzinc Steel
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. The term aluzinc steel coil refers to a steel substrate coated with an aluminum-zinc alloy (55% Al, 43.4% Zn, 1.6% Si). The AZ150 designation indicates a coating weight of 150 g/m² (both sides combined), providing superior protection against […]
Read →
Galvanized Steel Coil for HVAC Ductwork: Premium GI Coil Supplier
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. A superior galvanized steel coil for HVAC ductwork must resist moisture, temperature fluctuations, and mechanical stress. The hot dip galvanized coil process bonds a protective zinc layer to the steel substrate, preventing rust even when condensation forms inside […]
Read →
PPGI Coil for Roofing Sheet Factory – Premium Quality & Factory Price
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. Why Choose Prepainted Galvanized Steel Coil for Roofing Sheets? Prepainted galvanized steel coil, commonly known as PPGI, is the backbone of modern roofing sheet manufacturing. The combination of a hot dip galvanized steel substrate with a durable paint […]
Read →
PPGI Coil for Sandwich Panel Manufacturers: Quality & Supply Guide
Choosing the right PPGI coil for sandwich panel manufacturers is a critical decision that impacts panel durability, insulation performance, and overall project cost. As a leading PPGI supplier China, ChinaCNU Steel understands that sandwich panel producers require coils with precise coating adhesion, consistent thickness, and excellent corrosion resistance. Our prepainted galvanized steel coil is engineered […]
Read →
RAL 3005 Color Coated Steel Coil – Premium PPGI for Durable Roofing
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. Why Choose RAL 3005 Color Coated Steel Coil? The RAL 3005 color coated steel coil is engineered for longevity in harsh environments. The prepainted galvanized steel (PPGI) base provides excellent corrosion resistance, while the topcoat delivers a vibrant, […]
Read →
RAL 9002 PPGI Coil Supplier China – Premium Prepainted Galvanized Steel
Review certificate records, scope and current status. Confirm order-specific documentation and inspection requirements with the export team. Why Choose ChinaCNU Steel as Your RAL 9002 PPGI Coil Supplier China? When selecting a color coated steel coil partner, consistency of coating thickness, color retention, and mechanical properties are critical. Our RAL 9002 PPGI coil supplier China […]
Read →