What certifications does the company hold?

We hold ISO9001, ISO14001, OHSAS18001 certifications, and have Chinese trademark patent copyright.

What materials are used for the structure?

We use high-strength steel grades such as Q235B and Q345b/Q355b with galvanized C/Z purlins.

Multi Floor Steel Structure Prefabricated Buildings

Name: Multi Floor Steel Structure Prefabricated Buildings
Brand: Qingdao Ruigang Steel Structure Co., Ltd.
SKU: 2231620915

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

Model NO.

Multi Floor Building

Feature

Anti-Corrosion, Earthquake Resistance, Easy To Install, Recyclable

Install

Online Guidance

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

Application

Steel Workshop, Steel Structure Platform

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

Carbon Structural Steel

Q235B Steel/Q355b Steel

Residential Wall Structure

Wallboard

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 structure projects.

24-Hour After-Sales: Online guidance and support available around the clock for installation and maintenance.

Earthquake Resistance: Engineered to withstand seismic activity ensuring structural safety and stability.

Full Customization: Flexible customization from samples, designs, and minor adjustments to full specifications.

ISO Certified Quality: Holds ISO9001, ISO14001, and OHSAS18001 certifications for quality and safety.

High-Strength Steel: Constructed using Q345b/Q355b steel grades for superior durability and load capacity.

Hot-Rolled Steel Forming: Utilizes hot-rolled steel processes for high-quality structural members and components.

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

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: ≤2.91h

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.

Product Q&A

Q:What customization options are available?

We offer full customization including customization from samples, designs, minor adjustments, and flexible customization to meet specific project needs.

Q:What is the minimum order quantity?

The minimum order quantity is 1 set.

Q:What are the payment terms?

We accept LC, T/T, D/P, and PayPal as payment methods.

Q:How long does it take to deliver?

Lead time is within 15 workdays during off-peak season and one month during peak season.

Q:Do you provide installation support?

Yes, we provide 24-hour online guidance for installation.