Wholesale 30-275g PPGI Galvanized Corrugated Iron Steel Color Coated Roofing Sheet Corrugate Sheet Roof

* Finshed Coating
* Primer
*Chemical Conversion Coating
*Metallic Coating
*Steel Sheet (Base Metal)
 
More Surface Treatment Type for Choose
1. Regular
2. Pattern
3. Embossed
4. Wrinkle (Matt)

1. Uncoiler
2. Feeding Table
3. Roll Froming System
4. Safety Fence
5. Post-Cutting
6. Finished Product Output Supporter

Roofing, wall cladding, Structural steel, pre-painted panels
Car body components, chassis parts
Refrigerator back panels & air conditioner shells
Steel cabinet, shelf manufacturing
Ventilation ducts, chimney pipes, and flue systems
Electrical enclosures, distribution boxes
Ceiling panels, wall partitions
Toolboxes lighting fixtures metal craftwork
Greenhouse tubes, scaffold pipes, cable conduits
Cable tray supports & grounding accessories
C/Z structural purlins
Industrial packaging straps, steel bundling strips 
Electronic frames and appliance brackets

Standard export package: 3 layers of packing, inner side is anti-water craft paper, PVC plastic film is the middle and outer side covered by at least 0.45mm thick steel sheet,wrapped by minimum seven steel strapping strips with lock catch.
In particular, WITOP steel places desiccant on the coil inner core side and on both lateral sides of the coil for bulk transportation to ensure that coils are delivered to clients in good condition.
Package can be customized as client's requirements.

Q1: Are you a manufacturer or trading company?
A: We are a professional manufacturer of galvanized steel coils, galvalume coils, and prepainted steel (PPGI/PPGL) with over 20 years of experience. Our factory is located in China and supports both OEM and direct export services.
 
Q2: What is your minimum order quantity (MOQ)?
A: Our standard MOQ is 25 tons (1 container), but we also support small trial orders for new customers.
 
Q3: What standards do your products follow?
A: We produce coils according to ASTM A653, JIS G3302, EN 10346, and other international standards. Certificates like ISO, SGS, BV, CO, and Form E are available upon request.
 
Q4: Can you provide sample coils or cut sheets?
A: Yes, we can provide free A4-sized samples or cut sheets for testing and evaluation. Shipping costs may apply depending on location.
 
Q5: How do you ensure quality control?
A: Each batch undergoes strict quality inspection, including:
Coating and thickness test
Tensile strength and elongation test
T-bend and impact test
Surface and spangle inspection
We also provide mill test certificates (MTC) for every order.
 
Q6: What's your lead time?
A: Normal delivery time is 20–25 days after receiving the deposit. Urgent orders can be prioritized.
 
Q7: Do you support third-party inspection?
A: Yes. We welcome inspections by SGS, BV, TUV, or any agency appointed by the buyer.
 
Q8: Which markets do you serve?
A: Our main markets include Southeast Asia, the Middle East, Africa, South America, and Eastern Europe. We've served over 1,000 global buyers.
 
Q9: Can I visit your factory in China?
A: Absolutely! We welcome you to visit our factory. We'll provide pickup service, arrange a factory tour, and show you the production & inspection process.
 
Q10: What are your payment terms?
A: We accept T/T, L/C, and in some cases, DP or OA for long-term partners.