What certifications does the product have?

The product is certified with ISO9001: 2008 and CE.

What are the payment terms?

Payment terms include LC, T/T, and D/P. A 30% down payment is required before production.

Can the house be disassembled and reused?

Yes, the house can be easily assembled and disassembled, and it is knock-down for delivery to save space.

Simple Modular Prefabricated House with Sanwich Panel Roof and Wall (DG9-020)

Name: Simple Modular Prefabricated House with Sanwich Panel Roof and Wall (DG9-020)
Brand: Qingdao Doublegrand Metal Products Co., Ltd.
SKU: 710330405

Shandong, ChinaQingdao Doublegrand Metal Products Co., Ltd.

US$30.00-100.00

200 Square Meters

Product profile

Customization

Available

Insulation Thickness

50-150mm

Surface Treatment

Hot DIP Galvanized or Painted

Model NO.

DG9-020

Connection

Screws, Bolts

Color

White, Blue, Red, etc.

Window

PVC or Aluminium Alloy Window

Door

Sliding Door

Material

Sandwich Panel

Usage

Dormitories, Temporary Offices, Temporary House

Certification

ISO, CE

Customized

Transport Package

Bulk Shipment

Specification

SGS

Trademark

Origin

Qingdao, China

HS Code

7308900000

Production Capacity

20000m/Month

Key features

Customizable Design: Size and layout can be designed as per customers' requirements and local climate.

Easy Assembly: Bolts connection without welding; six workers can finish 50m2 in 8 hours.

Space Saving Delivery: Knock-down design for delivery to save space and reduce shipping costs.

Durable Materials: Hot DIP Galvanized steel structure with corrosion resistance and strong aseismicity.

Energy Efficient: Sandwich panels with polystyrene/rock wool insulation for heat preservation.

Fast Delivery: Delivery within 30 days after receipt of 30% down payment.

Versatile Usage: Suitable for dormitories, offices, villas, workshops, and temporary houses.

Certified Quality: ISO9001: 2008 and CE certified for safety and quality assurance.

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.