What materials are used for the structure?

We use Carbon Structural Steel, specifically Q345b or Q355b, with H/I-sections and galvanized C/Z purlins.

Where is the factory located?

The factory is located in Qingdao, Shandong, China, near Qingdao Port.

Painted Industrial Prefab/Prefabricated Galvanized Steel Structure Building Garden Shed Modular Workshop

Name: Painted Industrial Prefab/Prefabricated Galvanized Steel Structure Building Garden Shed Modular Workshop
Brand: Qingdao Ruigang Steel Structure Co., Ltd.
SKU: 2064801995

Shandong, ChinaQingdao Ruigang Steel Structure Co., Ltd.

US$60.00

200-999 Square Meters

US$39.90

1,000-2,999 Square Meters

US$29.90

3,000-4,999 Square Meters

US$19.90

5,000+ Square Meters

Product profile

Customization

Available

Connection Form

Bolt Connection

Structure Type

Light Portal Frame Structure

Model NO.

Steel Structure Workshop/Warehouse

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

Application

Steel Workshop, Steel Fabricated House, Warehouse

Type

H/I-Section Steel

Standard

AISI, BS, ASTM, JIS, DIN, GB

Steel Type

Carbon Structural Steel

Forming

Hot-Rolled Steel

Member

Steel Column

Type of Steel for Building Structure

High-Strength Steel

Residential Wall Structure

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

Transport Package

Packaging Details: Protective Packing

Specification

Customized

Trademark

Ruigang

Origin

Qingdao, China

HS Code

9406900090

Production Capacity

3000ton/Tons Per Month

Key features

Turnkey Solution: Provides complete design, manufacture, and installation services for steel structures.

High-Quality Materials: Utilizes Q345b/Q355b steel, H/I-sections, and galvanized C/Z purlins for durability.

Certified Manufacturer: Holds ISO9001, ISO14001, OHSAS18001, and first-level contracting certificates.

Flexible Customization: Offers full customization from samples or designs, including doors and wall structures.

Advanced Production: Equipped with CNC drilling, laser cutting, and H-beam assembly robots for precision.

Experienced Team: 115 employees including 10 senior engineers and 10 R&D engineers ensure quality.

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: ≤4.46h

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.