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Yes, the products come with CE, ISO, and SGS certifications.

Steel Frame Structure Sandwich Panel Prefabricated Portable House

Name: Steel Frame Structure Sandwich Panel Prefabricated Portable House
Brand: Qingdao Taiwei Steel Structure Co., Ltd.
SKU: 723196572

Shandong, ChinaQingdao Taiwei Steel Structure Co., Ltd.

US$35.00-65.00

200 Square Meters

Product profile

Customization

Available

Connection Form

Welded Connection

Construction Member

Steel Column

Model NO.

XTW-KA528

Grade

Carbon Structural Steel

Molding Method

Cold Drawn Steel

Residential Wall Structure

Wallboard

Standard

Steel Type

H-Section Steel

Structure

Steel Structure

Size

Designed as Requirements

Main Frame

H Section Steel, C, Z Section Steel

Design Parameter

Wind Load, Snow Load, Earthquake

Surface Treatment

Painted or Galvanized

Window

Aluminum Alloy Window or Plastic Steel Window

MOQ

200m2

Roof Cladding

EPS Sandwich Panel

Material

Steel Structure

Usage

Warehouse, Temporary Offices, Workshop

Certification

CE, ISO, SGS

Customized

Transport Package

Common Package

Specification

Q235B, Q355B

Trademark

XTW

Origin

Qingdao, China

HS Code

9406900090

Production Capacity

2000 Ton/ Year

Key features

Full Customization Options: Customized size, main frame, design parameters, surface treatment, and windows based on requirements.

Diverse Material Selection: Available in Q345 or Q235 steel with EPS, Rock Wool, or PU sandwich panels for insulation.

Flexible Structural Design: Supports single/double slope, single/multi-span, and single/double floor configurations.

Comprehensive Design Support: Free design service based on wind, snow, earthquake loads, and crane requirements.

High-Quality Surface Treatment: Features two layers of anti-rust painting and options for painted or galvanized finishes.

Fast Delivery Time: Production lead time is 20-45 days depending on order specifics.

OEM and ODM Services: Full customization available from designs with dedicated R&D engineers.

Rigorous Quality Control: 100% inspection for finished products including visual and function checks.

Company profile

Importers and ExportersYears of Export ExperienceExperienced TeamSelf-branded

Qingdao Taiwei 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 Designs, Full Customization CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is a combined company engaged in metal structures, hardware products, construction fittings, building materials, doors and windows, and related manufacturing and sales. It reports OEM service for well-known brands, ODM capability, 3D design services, full customization, inventory capacity, and exports accounting for 71%–90% of sales. Its production resources include cutting, shot blasting, welding, assembly, straightening, bending, laser cutting, floor bearing plate, and color steel tile equipment. ISO 9001:2015 and SGS certification are stated, but service procedures, corrective actions, and complaint-handling processes lack written records. The supplier has no available SDK, no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse or showroom, and only partial financial-year information, so financial credibility cannot be fully assessed.

Supplier typeThe supplier is identified as a combined company. Its stated business scope covers manufacturing and sales of metal structures, hardware products, construction fittings, building decoration materials, doors and windows, and building materials.

CertificationsThe company description explicitly states that the supplier passed ISO 9001:2015 quality management system certification and SGS certification. These statements provide direct evidence of certification holding, although the specific SGS certification scope is not provided.

R&D capabilityThe supplier provides 3D software design services, offers ODM, supports customization from designs and full customization, and reports launching new products during the past year. However, it has no available SDK, so innovation-related capability is positive but not comprehensive.

Production capacityThe supplier lists extensive production equipment and reports inventory capacity, export sales of 71%–90%, and average peak- and off-season lead times within 15 working days. However, it has no valid manufacturing-capacity contract with its related subcontractors, which introduces a documented capacity-management limitation.

Customization capabilityThe supplier explicitly provides customization from customer designs and full customization, supported by 3D software design services and ODM capability. This directly demonstrates broad product and design customization capacity.

Client casesThe supplier states that it participated in the design and construction of the Qingdao Olympic Sailing Center, MEGA Mall, and PURE FLOUR MILL, and has exported products to more than 60 countries, including South Africa, Ghana, Argentina, Australia, New Zealand, Canada, Ethiopia, and Uganda. These reported projects and international markets indicate relevant experience, although independent verification is not provided.