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Prefab Steel Structure Buildings Steel Construction Warehouse Building Hangar Building
US$29.99
1,000-2,999 Square Meters
US$25.99
3,000-4,999 Square Meters
US$20.99
5,000+ Square Meters

Product profile

Customization

Available

After-sales Service

24 Hour

Connection Form

Bolt Connection

Structure Type

Light Portal Frame Structure

Service

Turnkey Solution

Material Grade

Q345b Steel/Q355b Steel

Quality Control

SGS BV ISO Form-E

Door

Sliding Door or Roll up, etc.

Drawing Design

Autocad Pkpm 3D3s Tarch Tekla Structures

Purlin

Galvanized C/Z Purlin

Standard

GB, ASTM, DIN, JIS, AISI, BS

Forming

Hot-Rolled Steel

Member

Steel Column

Type of Steel for Building Structure

High-Strength Steel

Application

Steel Workshop, Steel Fabricated House

Type

H/I-Section Steel

Residential Wall Structure

PPGI Single Sheet, EPS/Rock Wool/Fiber Glass Wool

Carbon Structural Steel

Q235/Q355

Transport Package

Packaging Details: Protective Packing

Specification

Customized

Trademark

Ruigang, Carbon Structural Steel

Origin

Qingdao, China

HS Code

9406900090

Production Capacity

3000ton/Tons Per Month

Key features

Turnkey Customization: Full customization from samples, designs, or minor adjustments to fit specific project needs.
High-Strength Materials: Constructed with Q345b/Q355b high-strength steel and galvanized C/Z purlins for durability.
Global Certifications: ISO9001, ISO14001, OHSAS18001 certified with SGS and BV quality control standards.
Professional Design: Expert drawing design using Autocad, Pkpm, 3D3s, Tarch, and Tekla Structures software.
Fast Lead Time: Off-season production within 15 workdays; peak season lead time is one month.
100% Quality Inspection: Strict visual and function inspection for finished products with full raw material traceability.
Flexible Connection: Bolt connection form allows for easy assembly and disassembly of the steel structure.
24-Hour Support: Dedicated after-sales service team available for 24-hour assistance and technical support.

Company profile

Qingdao Ruigang Steel Structure Co., Ltd.
High Repeat Buyers ChoiceYears of Export ExperienceExperienced TeamPatents Awarded
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: ≤4.04h

AI-Powered supplier vetting

SummaryThe supplier manufactures and sells specialized machinery spanning agriculture, animal husbandry, fisheries, textiles, shipbuilding, hardware, construction, and related areas. It holds ISO9001:2015 and ISO14001:2015 certificates, reports six production lines, 21–30 quality-control staff, eight R&D engineers, and one-month lead times in both peak and off-peak seasons. The supplier supports extensive customization, ODM, SDK availability, and OEM services for well-known brands. Its service-management procedures, corrective-action records, and finished-product inspection instructions are documented. However, the evidence states no overseas service-country coverage and indicates that continuous quantity reconciliation is not performed for every batch or production lot. Customer cases are not specifically identified beyond a trade-show listing and a general OEM claim.
Supplier typeThe supplier is a diversified manufacturer and seller of specialized machinery, including agricultural, forestry, animal-husbandry, fishery, textile, shipbuilding, hardware, and construction-related equipment. Its six production lines and stated manufacturing activities support classification as a machinery manufacturer rather than a trading-only supplier.
CertificationsThe supplier explicitly reports ISO9001:2015 and ISO14001:2015 certificates, demonstrating documented quality-management and environmental-management certification. The slices do not provide certificate validity dates or scope details.
After-Sales capabilityThe supplier reports documented service-capability procedures, followed records, corrective and preventive action procedures, and service offerings including debugging, maintenance, repair, training, and equipment installation. However, the stated number of countries offering overseas services is zero, which limits demonstrated international after-sales coverage.
R&D capabilityThe supplier reports new products during the past year, ODM services, SDK availability, and eight experienced R&D engineers. These are direct indicators of product-development and technical-support capability, although no specific new products, patents, or development outcomes are identified.
Production capacityThe supplier operates six production lines, lists extensive machinery and equipment, has 21–30 quality-control staff, and reports one-month lead times in both peak and off-peak seasons. A documented finished-product inspection method and 60 qualified service-capability suppliers are reported, but continuous quantity reconciliation is not performed for every batch or production lot.
Customization capabilityThe supplier explicitly supports customization from samples and designs, full, minor, and flexible customization, and also offers ODM services. The repeated customization information across design and facility capabilities provides strong evidence of broad adaptation to customer requirements.

Product Q&A

Q:What customization options are available?
A:
We offer full customization including from samples, designs, minor adjustments, and flexible customization to meet specific project requirements.
Q:What materials are used for the structure?
A:
The main structure uses Q345b/Q355b high-strength steel, with galvanized C/Z purlins and options for H/I-section steel columns.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 set, allowing for flexible procurement for various project scales.
Q:How long is the production lead time?
A:
Off-season lead time is within 15 workdays, while peak season lead time is approximately one month.
Q:What certifications does the company hold?
A:
We hold ISO9001, ISO14001, OHSAS18001 certifications, along with SGS and BV quality control approvals.

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