What materials are used for the steel structure?

We use Q235B Steel, Q355b Steel, and high-strength steel.

Do you provide OEM and ODM services?

Yes, both OEM and ODM services are available.

What is the nearest port for shipping?

The nearest port is Qingdao Port.

Big Scale Large Span Metal Frame Construction Prefabricated Steel Structure Building Workshop

Name: Big Scale Large Span Metal Frame Construction Prefabricated Steel Structure Building Workshop
Brand: Qingdao Ruigang Steel Structure Co., Ltd.
SKU: 1904288035

Shandong, ChinaQingdao Ruigang Steel Structure Co., Ltd.

US$36.99

1,000-2,999 Square Meters

US$26.99

3,000-4,999 Square Meters

US$16.99

5,000+ Square Meters

Product profile

Customization

Available

Usage

Warehouse, Workshop, Factory, Hanger, Prefabricated House, etc.

Structure Type

Light Portal Frame Structure

Service

Turnkey Solution

Material Grade

Q235B Steel/Q355b Steel

Quality Control

SGS BV ISO Form-E

Door

Sandwich Panel Sliding Door/Roller Door, etc.

Drawing Design

Autocad Pkpm 3D3s Tarch Tekla Structures

Purlin

Galvanized C/Z Purlin

Residential Wall Structure

PPGI Single Sheet, EPS/Rock Wool Sandwich Panel

Carbon Structural Steel

Q235/Q355

Variety of Steel for Building Structure

High-Strength Steel

Forming

Hot-Rolled Steel

Material

Steel Structure

Certification

ISO, CE

Customized

Transport Package

Packaging Details: Protective Packing

Specification

Custome

Trademark

Ruigang

Origin

Qingdao, China

HS Code

9406900090

Production Capacity

3000ton/Tons Per Month

Key features

Turnkey Solution Service: Comprehensive design, manufacture, and installation services provided.

Full Customization Options: Customization available from samples, designs, minor changes, or full customization.

High-Quality Steel Materials: Constructed with Q235B, Q355b, and high-strength steel grades.

International Certifications: Holds ISO9001, ISO14001, OHSAS18001, SGS, BV, and CE certifications.

OEM and ODM Services: Both OEM and ODM services are available for client needs.

100% Finished Product Inspection: Visual and function inspection conducted on all finished products.

Experienced Engineering Team: Team includes 10 construction engineers and 10 R&D engineers.

Flexible Lead Time: Off-season lead time within 15 workdays; peak season one month.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExperienced TeamPatents Awarded

Qingdao Ruigang Steel Structure Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.48h

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells specialized machinery spanning rubber processing, agriculture, textile equipment, shipbuilding, hardware, and construction-related products. It reports ISO 9001:2015 and ISO 14001:2015 certification, customization and ODM capabilities, recent new-product development, eight experienced R&D engineers, six production lines, and 21–30 quality-control staff. Reported lead times are one month in both peak and off-peak periods. Service offerings include installation, debugging, maintenance, repair, and training, although overseas service coverage is stated as zero countries. The supplier serves multiple export regions and has OEM experience with well-known brands. Financial stability, customer-specific case details, and complete supplier-approval controls cannot be conclusively assessed from the provided information.

Supplier typeThe supplier is a manufacturer and seller of specialized machinery, including rubber-processing, agricultural, forestry, animal-husbandry, fishery, textile, and hardware-related equipment, with additional shipbuilding and construction-related activities. Its six production lines and stated manufacturing scope support classification as a diversified machinery manufacturer rather than only a trading company.

CertificationsThe supplier explicitly reports ISO 9001:2015 and ISO 14001:2015 certificates. These provide direct evidence of quality-management and environmental-management certifications, although no certificate validity dates or scopes are provided.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, offers an available SDK, and has eight experienced R&D engineers. These are explicit indicators of product-development and design capability, though the information does not quantify R&D investment or document specific innovations.

Production capacityThe supplier reports six production lines, extensive machinery and processing equipment, one-month peak and off-peak lead times, and 21–30 quality-control staff. Finished-product inspection instructions are uniformly followed, and service-capability procedures have records; however, continuous quantity reconciliation for each batch is not performed, which is a stated manufacturing-control weakness.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad product-design and customization support.