What certifications does the product have?

The product has ISO and CE certifications.

What is the wind and seismic resistance capacity?

The wind load capacity is 0.5KN/m2, and it is designed for seismic density of 7 degrees.

What payment terms are accepted?

Terms of payment include LC, T/T, and D/P.

Steel Frame EPS Energy-Saving Wall Panel Prefabricated House

Name: Steel Frame EPS Energy-Saving Wall Panel Prefabricated House
Brand: Qingdao Doublegrand Metal Products Co., Ltd.
SKU: 710074645

Shandong, ChinaQingdao Doublegrand Metal Products Co., Ltd.

US$30.00-100.00

200 Square Meters

Product profile

Customization

Available

Material

Sandwich Panel

Roof

Sanwich Panel, EPS, PU, Rock Wool, Glass Wool

Model NO.

DG4-065

Wall

Sanwich Panel, EPS, PU, Rock Wool, Glass Wool

Insulation Thickness

50-150mm

Surface

Hot DIP Galvanized or Painted

Connection

Screws, Bolts

Door

Sanwich Door, PVC Door

Window

PVC Sliding Window, Aluminum Alloy Sliding Window

Hydroelectric System

Hydroelectric Plan

Floor

PVC Floor, Plywood Floor

Usage

Villa, Dormitories

Certification

ISO, CE

Customized

Transport Package

250sqm Can Be Packed in One 40hq

Specification

Q235B

Trademark

Origin

Qingdao, China

HS Code

7308900000

Production Capacity

5000sqm Per Month

Key features

Customizable Dimensions: Length is fully customized, width under 12m, height 3-3.5m.

Fast Installation: 10 skilled workers can install 1000m2 in 15 days with supervision.

Energy Saving Design: EPS, Rock wool, or PU insulation panels for thermal efficiency.

Durable Steel Structure: Hot dip galvanized or painted Q195-Q235 steel frame.

Wide Application: Suitable for villas, hotels, dorms, warehouses, and workshops.

Certified Quality: Products hold ISO and CE certifications for safety.

Seismic Resistant: Designed to withstand seismic intensity of 7 degrees.

Low Cost Solution: Flexible layout and prefabricated design reduce overall costs.

Company profile

Qingdao Doublegrand Metal Products Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2003-07-29Nearest Port: Qingdao PortAverage Response Time: >24hTerms of Payment: LC, T/T, D/PInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryQingdao Doublegrand Metal Products Co., Ltd. is identified primarily as a manufacturer/factory of steel structures and related prefabricated building products, although another record describes the company as a trading company. The supplier states that it has exported to more than 30 countries across six continents and began exporting in 2003. Its stated capabilities include design, manufacturing, delivery, installation, and after-sales service, with production equipment, two production lines, ISO 9001 certification, and dedicated quality-control and R&D personnel. It reports substantial annual production capacity and that 90% of sales are exports. The evidence supports strengths in certification, production, customization, export experience, and service scope. Financial credibility cannot be assessed because the available registered-capital information is excluded from consideration and no other financial evidence is provided.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory producing steel structures, warehouses, workshops, prefabricated buildings, and related products. However, a separate company-information record describes its company nature as a trading company, creating a classification inconsistency that prevents an entirely unqualified assessment.

CertificationsThe supplier reports holding ISO 9001 certification and also states that Asia Inspection, SGS inspection, and other third-party inspections are accepted. This is explicit evidence of a formal quality-management certification and willingness to accommodate external inspection.

After-Sales capabilityThe supplier states that it provides one-stop service covering design, manufacture, delivery, installation, and after-sales service, and describes a customer-oriented professional relationship. These statements directly support the existence of an after-sales service offering, although no detailed service standards or response metrics are provided.

R&D capabilityThe supplier reports that it can develop designs independently, provide suitable proposals, and combine sales and engineering personnel to create building models and designs. It also reports 6–10 years of R&D engineer experience and advanced CNC equipment, supporting design and engineering capability, but not necessarily product or process innovation beyond customization.

Production capacityThe supplier reports more than 3,000 tons of monthly capacity, annual capacity of 200,000 tons for steel structures, 200,000 meters of galvanized wall and roof cladding, and 30,000 tons of galvanized C&Z purlines. It also reports two production lines, CNC and machining equipment, inspection at every stage, and pre-assembly before delivery, providing explicit evidence of substantial production capability.

Customization capabilityThe supplier states that it manufactures strictly according to customer drawings and requirements, can design suitable proposals independently, and performs manufacturing and inspection according to drawings. These statements directly demonstrate both drawing-based production and supplier-supported design customization.

Client casesThe supplier states that it has exported to more than 30 countries across six continents, has more than 10 years of experience, and began exporting in 2003. This supports broad international delivery experience, but the slices do not identify specific customers, projects, or independently verifiable case details.

Product Q&A

Q:What are the customizable options for the house?

Length is fully customizable, width is less than 12m, and height is between 3m to 3.5m. Roof, wall, insulation, surface, and doors can also be customized.

Q:How long does the installation take?

Ten skilled workers can install 1000m2 of the house in 15 days with the instruction of our supervisor.

Q:What is the lifespan of the prefabricated house?

The expected lifespan is 10 to 15 years.

Q:What materials are used for the wall and roof panels?

The wall and roof panels are 50mm-150mm sandwich panels with insulation options including EPS, Rock wool, or PU.

Q:What is the delivery time?

The delivery detail is within one month. During peak season, the lead time is 1-3 months.