What are the payment terms and lead times?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and Small-amount payment. The average lead time is within 15 workdays for both peak and off-season.

What types of projects can these purlins be used for?

They are used for industrial buildings, garages, verandahs, carports, factories, warehouses, workshops, supermarkets, sports centers, and multi-storey buildings.

Structural Roofing GB Ridge China Prefab Customized Steel Structure Frame Prefabricated Building Material Manufacture

Name: Structural Roofing GB Ridge China Prefab Customized Steel Structure Frame Prefabricated Building Material Manufacture
Brand: Quanzhou Ridge Steel Structure Co., Ltd.
SKU: 1962013902

Fujian, ChinaQuanzhou Ridge Steel Structure Co., Ltd.

US$15.00

1,000 Meters

Sample price:US$100.00/meter.Request sample

Product profile

Customization

Available

After-sales Service

Online Technical Support

Hardness

Full Hard

Model NO.

2830

Standard

Surface Treatment

Customized

Type

Cold Forming Sectional Steel

Forming

Cold Drawn Steel

Connection Form

Rivet Connection

Member

Steel Column

Type of Steel for Building Structure

Cold Forming Sectional Steel

Carbon Structural Steel

Q235

Residential Wall Structure

Wall Support

Transport Package

Seaworthy Packing Standard/as Customer Request

Specification

Max 5.8m for 20GP; 11.8m for 40GP/HP

Trademark

ridge

Origin

China

HS Code

7308900000

Key features

High-Strength Steel Material: Manufactured from high tensile galvanized steel for increased strength and durability.

Significant Material Savings: Z purlins save 30% material wastage compared to traditional box iron structures.

Customized Surface Treatment: Surface treatment is fully customized, available in galvanized or bare options.

Lightweight Design: Features thin walls and light weight, offering excellent performance cross-sections.

Flexible Design Options: Fully integrated system allowing for flexible design and plain or punched supply.

Wide Application Range: Suitable for industrial buildings, garages, verandahs, carports, and large slope roofs.

Long Serviceable Life: Quality galvanised steel ensures a long serviceable life for structural integrity.

OEM/ODM Support: Supports full customization, minor customization, and customization from designs.

Company profile

In-stock CapacityFast DeliveryCustomization from DesignsODM Services

Quanzhou Ridge Steel Structure Co., Ltd.

Fujian, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 6 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤6.31h

AI-Powered supplier vetting

SummaryQuanzhou Ridge Steel Structure Co., Ltd. is a China-based limited trading company established in 2017, with 12 employees and a business focus on steel structures and related prefabricated buildings. It offers customization, ODM, and OEM services, exports through both agency and self-operated channels, and reports six years of export experience with broad international markets. Stated production capacity covers multiple steel-structure categories, while reported peak- and off-season lead times are within 15 working days. However, the available audit record is dated July 2023–July 2024, and the audit result is recorded as “0” without an explained interpretation. After-sales and service governance are weakly documented: no written complaint-handling, corrective-action, supplier-approval, or service-assessment procedures are reported. Fire-drill status and quality-assurance status are unknown, and the supplier has no overseas showroom, agents, branches, or offline trade-show participation.

Supplier typeThe supplier is identified consistently as a trading company and limited company, operating from Fujian, China. Its stated business scope covers steel-structure sales and related import and export activities, including steel buildings, workshops, warehouses, and storage sheds.

After-Sales capabilityThe supplier reports no overseas showroom, overseas agents or branches, or overseas service countries. It also has no written records or procedures for customer complaints, corrective and preventive actions, or effective service-capability assessment, indicating limited documented after-sales infrastructure.

R&D capabilityThe supplier explicitly provides ODM services and OEM services for popular brands, demonstrating design and manufacturing collaboration capability. It does not have an available SDK, but SDK availability is not sufficient by itself to negate the documented ODM/OEM capability.

Production capacityReported annual output includes 20,000 tons for steel-structure workshops, 20,000 tons for warehouses, 50,000 tons for steel structures, and 20,000 tons for steel-structure buildings. The supplier also states peak- and off-season lead times within 15 working days, supporting a stated capacity advantage, although the data is self-reported and no production-facility verification is provided.

Customization capabilityThe supplier lists customization from designs and samples, minor and full customization, and flexible customization. This is explicit evidence of broad customization support for its steel-structure offerings.

Product Q&A

Q:What is the difference between C purlins and Z purlins?

C purlins are made of galvanized steel strips by cold-bending, suitable for general framing. Z purlins are made of hot-rolled steel sheet, cold-rolled, and are specially used for large slope roofs, saving 30% material wastage compared to traditional box iron.

Q:What surface treatments are available?

The surface treatment is customized. Options include galvanized or bare finishes, depending on specific project requirements.

Q:What are the standard thickness and length specifications?

Thickness ranges from 2.0-3.0mm. Max length is 5.8m for 20GP containers and 11.8m for 40GP/HQ containers. Hole distances are adjustable for most models.

Q:Is customization available for these steel structures?

Yes, we offer full customization, minor customization, flexible customization, and customization from designs or samples. OEM and ODM services are available.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 100 Square Meters.