What certifications do the products have?

Our products are certified with ISO and CE standards.

What is the warranty period?

The warranty period varies by surface treatment: 18-20 years for painted surface and 45-50 years for hot dip galvanized surface.

What are the common applications for this container house?

It is widely used for Villas, Dormitories, Temporary Offices, Hotels, Guard Houses, Shops, Warehouses, and Workshops.

Long Life/Durable Used Sandwich Panel Container House

Name: Long Life/Durable Used Sandwich Panel Container House
Brand: Qingdao Doublegrand Metal Products Co., Ltd.
SKU: 709365275

Shandong, ChinaQingdao Doublegrand Metal Products Co., Ltd.

US$30.00-100.00

200 Square Meters

Product profile

Customization

Available

Material

Sandwich Panel

Size

20FT, 40FT, as Requested

Model NO.

DG5-026

Color

Blue, Yellow, Red, White, etc.

Window

PVC Window.Aluminium Alloy Window

Door

PVC Door

Floor

Plywood Floor

Usage

Villa, Dormitories, Temporary Offices

Certification

ISO, CE

Customized

Transport Package

40ot+40hq for Several Pieces

Specification

Q345 Q235

Trademark

Origin

China

HS Code

7308900000

Production Capacity

20000 Tons Per Year

Key features

Long Lifespan: Durable design with a lifespan of 25-50 years for long-term use.

Customizable Dimensions: Length, width, and height can be customized according to customer requests.

Multiple Color Options: Available in Red, Blue, White, and other colors as per customer preference.

Versatile Usage: Suitable for Villas, Dormitories, Temporary Offices, Hotels, and Warehouses.

High-Quality Materials: Constructed with Q235/Q345 steel frame and EPS/Rockwool/PU sandwich panels.

Fast Delivery: Standard delivery within 10 days after receiving the deposit.

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

Energy Efficient: Insulation thickness of 50-150mm provides excellent heat insulation.

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 is the lifespan of the container house?

The container house has a long lifespan of 25-50 years, depending on the surface treatment and maintenance.

Q:Can the size and color be customized?

Yes, the size (Length, Width, Height) and color (Red, Blue, White, etc.) can be customized according to your specific requirements.

Q:What materials are used for the structure and panels?

The steel frame uses Q235 or Q345 steel, and the walls/roof use EPS, Glass wool, Rockwool, or PU sandwich panels with steel sheet thickness of 0.3-0.7mm.

Q:What is the delivery time?

The standard delivery detail is within 10 days after receiving the deposit. The general delivery time is 20-25 days.

Q:What are the payment terms?

We accept LC, T/T, and D/P as terms of payment.