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in-House Steel Structure Framed Building Structural Steel Truss Prefab Construction
US$50.00
600-999 Square Meters
US$25.00
1,000+ Square Meters

Product profile

Customization

Available

After-sales Service

1 Year

Connection Form

Rivet Connection

Model NO.

GM

Construction Member

Steel Column

Grade

Carbon Structural Steel

Molding Method

Cold Drawn Steel

Residential Wall Structure

Bottom Wall Beam

Standard

AISI

Steel Type

Cold Forming Sectional Steel

Structure

Steel Structure

Surface

Painting and Hot DIP Galvanized

Size

Customized

Steel Grade

Q345b / Q235

OEM

Accept

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

Customized Dimensions: Size is fully customizable to meet specific project requirements.
Customized Surface Treatment: Options include painting and hot-dip galvanizing for enhanced corrosion resistance.
Long Service Life: Designed for a lifespan of 30 to 50 years with minimal maintenance.
Customized Steel Grade: Available in Q345b or Q235 grades to suit structural needs.
Flexible Design Solutions: Personalized design for size, span, load capacity, and layout.
Fast Production Cycle: Standard production cycle ranges from 30 to 40 days.
High Strength & Stability: Constructed with Q235B/Q355B steel to resist wind, snow, and earthquakes.
Comprehensive Support: Free installation drawings and optional engineer dispatch for on-site guidance.

Company profile

Business Type: Manufacturer/FactoryExport Year: 2015-08-17Nearest Port: QINGDAOAverage Response Time: ≤4.63hTerms 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 a trading company?
A:
We are a manufacturing factory. We own the largest Hot Dip Galvanize Bath in Qingdao and welcome inspections.
Q:Is your price competitive?
A:
Our goal is to offer the best price for the same quality and the best quality for the same price, doing everything to reduce your costs.
Q:Do you provide installation services?
A:
We provide detailed installation drawings and directions for free. We can also send engineers as installation directors or teams.
Q:Do you accept container loading inspections?
A:
Yes, you are welcome to send an inspector for container loading or at any time during the production process.
Q:What materials are used for the steel structure?
A:
Main frames use Q235 or Q345 steel. Wall and roof panels include insulated sandwich panels or single corrugated steel sheets.

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