Garden Suite Granny Flat Premium Backyard Dwelling for High-End Residential Developments

Name: Garden Suite Granny Flat Premium Backyard Dwelling for High-End Residential Developments
Brand: Shandong Zhongmai Industrial Technology Co., Ltd.
SKU: 2317067085

Shandong, ChinaShandong Zhongmai Industrial Technology Co., Ltd.

US$8,700.00

1-9 Sets

US$7,805.00

10+ Sets

Product specifications

Granny Flat

Product profile

Customization

Available

After-sales Service

1 Year

Certification

CE, ISO9001

Model NO.

Granny Flat

Customized Or Not

Customized

Material

Stainless Steel

Product Name

Prefabricated Expandable House

Steel Thickness

Main Frame 2.0 3.0mm Galvanized Steel

Wall Panel

50 100mm EPS / Rock Wool / PU Sandwich Panel

Flooring

18mm MGO Board + PVC Vinyl / Laminate

Door

Steel Security Door or Customized Entry Door

Wind Resistance

up to Wind Load of 100 Km/H

Seismic Resistance

Grade 8

Fire Resistance

Class a Fire-Rated Insulation Panels

Lifespan

15 to 25 Years

Assembly Time

4 to 6 Hours by 3 to 4 Workers

Applications

Site Office, Dormitory, Shop, Cabin,Garden

Packing & Transport

Flat Pack or Assembled; 4 to 6 Units Fit in One

Transport Package

580cm * 220cm * 240cm

Specification

Customized

Trademark

JIE KU

Origin

China

HS Code

94069000

Production Capacity

1900sets/Year

Key features

Factory Prefabricated Granny Flat 7-15 Days On-Site Installation Ready for Occupancy in Weeks

Self-Contained Living Space Separate Entrance & Utilities Preserve Family Bond & Personal Privacy

Boost Property Value by 15%-25% and 8%-12% Annual Rental Return Low Vacancy Rate in Hot Markets

Granny Flat / Rental Unit / Home Office / Guest House / Studio | All-in-One Flexible Layout

Energy-Efficient Insulation | Recycled Steel Frame | Waterproof & UV-Resistant | 50+ Years Service Life

Company profile

Management CertificationQuality AssuranceFast DeliveryRaw-Materials Traceability

Shandong Zhongmai Industrial Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 2 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.90h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier specializing in cooling-tower products, including reinforced-concrete, all-steel, air-conditioning, energy-saving, and water-saving cooling towers. It offers 3D design, OEM, ODM, and multiple customization options, and reports new-product development during the past year. Quality processes include documented inspection instructions, quality assurance, material traceability, and recorded corrective and preventive actions. Manufacturing contracts with associated subcontractors and in-stock capability are reported. The supplier lacks SDK availability, overseas warehouses, overseas showrooms, overseas agents or branches, and offline trade-show participation. Exporting began two years ago, with 41%–50% of sales from exports. Certification information includes ISO 9001:2015, ISO 45001:2018, and ISO 14001, while financial data is insufficient for a credibility judgment.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and describes products centered on multiple types of cooling towers. Its stated cooperation with universities and research institutions further supports a technology-oriented manufacturing profile.

CertificationsThe supplier reports ISO 9001:2015, ISO 45001:2018, and ISO 14001 certifications, along with an additional unspecified certification category. These stated certifications support its quality, occupational-safety, and environmental management credentials.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and customer complaints. It also reports quality assurance and traceable identification of raw materials, providing explicit evidence of structured post-delivery issue handling.

R&D capabilityThe supplier provides 3D software design, reports new products during the past year, offers ODM services, and describes a strong R&D team with university and research-institution cooperation. However, it explicitly lacks an available SDK, which limits the scope of its disclosed technical-development capability.

Production capacityThe supplier reports valid manufacturing contracts with each associated subcontractor, in-stock capability, written and uniformly followed finished-product inspection instructions, and one-month average lead times in both peak and off-season periods. These statements provide positive evidence of organized production and fulfillment capability, although overseas warehouse and overseas service infrastructure are absent.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, together with 3D design, ODM, and OEM services. This indicates broad product-development and customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands and that 41%–50% of total sales come from exports, with exporting beginning two years ago. These claims indicate some brand and international-business experience, but no specific customer names, project details, or verifiable case descriptions are provided.

Product Q&A

Q:What is a Granny Flat and what can it be used for?

A Granny flat is a self-contained, independent small dwelling unit built on the same land lot as a main house. It can be used for elderly family members, rental income, guest house, home office, studio, or temporary accommodation. It has its own entrance, kitchen, bathroom and living space.

Q:How long does it take to produce and install a Granny Flat?

Production in our factory normally takes 20 days. On-site installation only needs 10 days. The whole project from order to move-in can be completed in around 40 days, much faster than traditional construction.

Q:Can the Granny Flat be customized in size, layout and color?

Absolutely. We accept full customization including external size, room layout, number of bedrooms/bathrooms, facade color, materials and doors/windows. We also provide 3D drawings for confirmation before production.

Q:What is the service life and maintenance cost of the Granny Flat?

Our light steel structure Granny Flat has a service life of over 50 years. It features good waterproofing, anti-corrosion and thermal insulation performance. Daily maintenance is very simple, with low long-term running cost and high durability.