What certifications does the company hold?

We hold ISO9001, ISO14001, OHSAS18001 certifications and have SGS, BV, and Form-E quality control.

What materials are used for the structure?

We use Q345b/Q355b high-strength steel with galvanized C/Z purlins.

What is the nearest port for shipping?

The nearest port is Qingdao Port, located 30 kilometers from our facility.

Approval Top Grade Prefab Steel Structure Frame Building Warehouse Manufacturer

Name: Approval Top Grade Prefab Steel Structure Frame Building Warehouse Manufacturer
Brand: Qingdao Ruigang Steel Structure Co., Ltd.
SKU: 1934423975

Shandong, ChinaQingdao Ruigang Steel Structure Co., Ltd.

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

Drawing Design

Autocad Pkpm 3D3s Tarch Tekla Structures

Purlin

Galvanized C/Z Purlin

Type

H-Section Steel

Standard

GB, ASTM, DIN, JIS, AISI, BS

Forming

Hot-Rolled Steel

Member

Steel Column

Type of Steel for Building Structure

High-Strength Steel

Residential Wall Structure

Wallboard

Application

Steel Workshop, Steel Structure Platform

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 Solution: Complete design, manufacture, and installation services for steel structures.

Full Customization: Offers customization from samples, designs, and flexible options.

24-Hour Support: Dedicated after-sales service available around the clock.

International Certifications: ISO9001, ISO14001, and OHSAS18001 certified with SGS and BV quality control.

High-Strength Materials: Constructed with Q345b/Q355b steel and hot-rolled H-section beams.

Advanced Design Tools: Utilizes AutoCAD, Pkpm, 3D3s, Tarch, and Tekla Structures for drafting.

OEM and ODM Services: Full OEM and ODM capabilities available for custom projects.

100% Product Inspection: Every finished product undergoes visual and functional inspection.

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.