What materials are used for the steel structure?

The main frame is made of high-quality Q235B or Q355B steel. Columns and beams can be Q235, Q345, or Q420. Purlins are typically C or Z sections.

Can the building size be customized?

Yes, we provide personalized design solutions including building size (length, width, height), span, and load-bearing capacity according to your actual needs.

What surface treatments are available?

Surface treatments include hot galvanized coating, cold galvanizing, and spray painting in any color according to your request.

Factory Price Construction Building Materials Construction Steel Structure Building

Name: Factory Price Construction Building Materials Construction Steel Structure Building
Brand: Qingdao Gemsun Steel Structure Co., Ltd.
SKU: 782704732

Shandong, ChinaQingdao Gemsun Steel Structure Co., Ltd.

US$50.00

600-999 Square Meters

US$25.00

1,000+ Square Meters

Product profile

Customization

Available

Molding Method

Cold Drawn Steel

Residential Wall Structure

Bottom Wall Beam

Model NO.

Standard

AISI

Steel Type

Cold Forming Sectional Steel

Structure

Steel Structure

Surface

Painting and Hot DIP Galvanized

Size

Customized

Steel Grade

Q345b / Q235

OEM

Roof

Sandwich Panel / Steel Sheet

Wall

Sandwich Panel / Steel Sheet

Window

Allinum Alloy / PVC

Door

Sliding Door / Roller Door

Ventilator

Customized

Purlin Section

C / Z Section

Use Life

30-50 Years

Beam

Welded / Hot Rolled

Skylight Belt

Customized

Shop Drawing

Provide by Us

Production Cycle

30-40 Days

Transport Package

Steel Frame Protect If Need

Specification

Q235 Q345

Trademark

Gemaisen

Origin

Qingdao, China

HS Code

7308900000

Production Capacity

5000t Per Year

Key features

Customizable Dimensions: Size can be customized to fit specific project requirements.

Hot DIP Galvanized Surface: Surface treatment includes painting and hot dip galvanizing for corrosion resistance.

Long Service Life: Designed for a service life of 30-50 years with low maintenance costs.

OEM Service Accepted: We accept OEM orders to meet specific brand and design needs.

High Strength Steel Frame: Main frame uses Q235B or Q355B steel for excellent load-bearing capacity.

Fast Production Cycle: Standard production cycle is 30-40 days for efficient project delivery.

Free Design Drawings: Professional engineers provide detailed steel structure drawings for free.

Flexible Panel Options: Roof and wall panels available as sandwich panels or steel sheets.

Company profile

Qingdao Gemsun Steel Structure Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2015-08-17Nearest Port: QINGDAOAverage Response Time: ≤4.84hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryQingdao Gemsun Steel Structure Co., Ltd. is a private Chinese manufacturer/factory based in Jimo, Qingdao, Shandong, supplying steel structures, warehouses, buildings, workshops, mobile houses, and related prefabricated products. It reports annual steel-structure productivity of 5,000 tons and derives 90% of total sales from exports, with exporting activity beginning in 2015. The supplier provides OEM and ODM services and supports full customization, but reports no available SDK and no new products during the past year. ISO 9001:2015 certification and recent regular fire drills are stated. Service-management documentation is weak: supplier assessment and corrective/preventive-action procedures lack written records, and complaint handling has a procedure but no written records. No overseas warehouse, showroom, agent, branch, or overseas service coverage is reported. Financial data is represented only by years rather than substantive indicators and therefore cannot establish financial credibility.

Supplier typeThe supplier is identified as a private limited company and a manufacturer/factory located in Jimo, Qingdao, China. Its stated business and product scope covers steel structures, steel buildings, warehouses, workshops, mobile houses, container houses, hangars, and prefabricated buildings.

CertificationsThe supplier states that it holds an ISO 9001:2015 certificate. This is explicit evidence of a quality-management certification, although no additional certifications are identified in the provided information.

After-Sales capabilityThe supplier reports a customer-complaint procedure, but has no written complaint records; supplier service-capability assessment and corrective/preventive-action procedures also lack written procedures or records. It has no overseas warehouse, showroom, agent, branch, or overseas service coverage, although it reports one-month lead times and participation in an offline trade show.

Production capacityThe supplier identifies itself as a manufacturer/factory and reports annual steel-structure productivity of 5,000 tons. Its broad product scope and 90% export-sales share indicate established production and export activity in steel-structure products.

Customization capabilityThe supplier explicitly provides OEM services for well-known brands, ODM services, customization from designs, and full customization. These statements directly support a broad customization capability.

Product Q&A

Q:Are you a manufacturer or trading company?

We are a manufacturing factory. We own the largest Hot Dip Galvanize Bath in Qingdao and welcome you to visit us for inspection to verify our professional quality control.

Q:Is your price competitive?

Our business objectives are to offer the best price for the same quality and the best quality for the same price. We do everything possible to reduce your costs.

Q:Do you provide installation services?

We provide detailed installation drawings and direction information for free. We can also send engineers as installation directors or even a full team.

Q:Do you accept container loading inspections?

You are welcome to send an inspector not only for container loading but at any time during the production process.

Q:What is the lead time for production?

The production cycle is typically 30-40 days. Peak season and off-season lead times are approximately one month.