What is the warranty or after-sales service?

We provide 24-hour after-sales service and have a professional team for technical support.

What materials are used for the structure?

We use high-strength steel such as Q235B and Q355B, along with galvanized C/Z purlins and sandwich panels.

Where is the company located?

We are located in Qingdao, China, near the Qingdao Port, with a factory area of over 50,000 square meters.

Double Span Prefabricated Steel Structure Plant

Name: Double Span Prefabricated Steel Structure Plant
Brand: Qingdao Ruigang Steel Structure Co., Ltd.
SKU: 1942239825

Shandong, ChinaQingdao Ruigang Steel Structure Co., Ltd.

US$36.99

200-2,999 Square Meters

US$26.99

3,000-4,999 Square Meters

US$16.99

5,000+ Square Meters

Product profile

Customization

Available

After-sales Service

24 Hour

Characteristics Of Goods

Cold Storage Warehouse

Type

Bonded Warehouse

Structure Type

Light Portal Frame Structure

Service

Turnkey Solution

Material Grade

Q235B Steel/Q355b Steel

Quality Control

SGS/BV

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

Usage

Warehouse, Workshop, Factory, Hangar

Certification

ISO, CE,SGS

Customized

Transport Package

Protective Packing

Specification

Customization

Trademark

RG-STEEL

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 Q235B/Q355B steel, galvanized C/Z purlins, and sandwich panels for durability.

International Certifications: Holds ISO9001, ISO14001, OHSAS18001, CE, and SGS certifications for quality assurance.

Professional Team: Features 115 employees including senior engineers and construction experts for reliable service.

Flexible Customization: Offers full customization from samples or designs, including structure type and door options.

Advanced Manufacturing: Equipped with H-beam production lines, laser cutting, and CNC drilling facilities.

Fast Lead Time: Off-season lead time is within 15 workdays, ensuring efficient project delivery.

Strict Quality Control: Conducts 100% visual and functional inspection on finished products with traceable raw materials.

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: ≤1.72h

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.