Does the ventilator require electricity to work?

No, it works without electricity power by utilizing natural air convection.

What is the minimum order quantity?

The minimum order quantity is 1 unit.

What are the available payment terms?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payment.

800 Mm Wind Driven Roof Turbine Ventilators

Name: 800 Mm Wind Driven Roof Turbine Ventilators
Brand: Hangzhou Ocean Industry Co., Ltd.
SKU: 726983295

Zhejiang, ChinaHangzhou Ocean Industry Co., Ltd.

US$20.00

10 Pieces

Product profile

Customization

Available

Material

Aluminium, Ss201,Ss304,Ss316,Alloy Steel

Blade Material

Stainless Steel

Model NO.

800 mm

Type

Exhaust Fan

Electric Current Type

Mounting

Roof Fan

Certification

ISO

Diameter

800mm

Transport Package

Standard Sea Worthy Package

Specification

ISO

Trademark

Origin

China

HS Code

848390000

Production Capacity

100000PCS/Day

Key features

No Power Operation: Operates using natural wind and temperature difference without electricity.

Stainless Steel Construction: Made of high-quality stainless steel for durability and corrosion resistance.

Imported Bearings: Equipped with imported UBC bearings from the USA for smooth operation.

Long Service Life: Turbine blades designed to operate normally for up to 15 years.

Flexible Installation: Variable angle neck tube allows installation on slopes from 0 to 22.5 degrees.

Rainproof Design: Scientifically calculated arc blades prevent rainwater entry during operation.

Easy Installation: Simple installation process generally requiring only 30 minutes.

Customization Available: Offers full, minor, and flexible customization from samples or designs.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceMulti-language PioneerCustomization from Designs

Hangzhou Ocean Industry Co., Ltd.

Zhejiang, 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: 20 years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤5.00h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and R&D/ODM capabilities, including new product development during the past year. It reports ISO9001:2015 certification, documented procedures for service assessment, corrective actions, and complaint handling, and has export experience of 20 years with 71%–90% of sales from exports. Production indicators include more than 10 production lines, 31–40 quality-control staff, and annual output above the stated threshold. However, the supplier reports no overseas warehouse, showroom, agent or branch, or offline trade-show participation, and has no SDK available. Financial records are referenced for 2022–2024, but no substantive financial performance details are provided. Evidence of OEM service for well-known brands supports customer experience, while specific customer names or case details are absent.

Supplier typeThe supplier provides OEM and ODM services, supports customization from designs and samples, and manufactures non-standard products for special requirements. It also operates its own production capability, with more than 10 production lines and substantial stated output, indicating a manufacturer with integrated design and production services.

CertificationsThe supplier explicitly reports an ISO9001:2015 certificate and states that production procedures comply with ISO9002 standards; CE product certification capability is also reported. ISO9001:2015 is directly identified as a certification, while the ISO9002 statement is presented as a compliance claim rather than a separate certificate.

After-Sales capabilityThe supplier states that it provides after-sales services, and it has clear, followed procedures and records for handling customer complaints and corrective and preventive actions. These documented mechanisms support service capability, although no response-time or service-network details are provided.

R&D capabilityThe supplier reports R&D capability, new products within the past year, ODM services, and broad design support. However, total R&D engineer experience is stated as 1 and no SDK is available, so the evidence supports product-development capability but does not establish broad or advanced innovation strength.

Production capacityProduction and delivery indicators are positive: the supplier reports more than 10 production lines, 31–40 quality-control staff, standardized finished-product inspection instructions, and lead times within 15 workdays in both peak and off-season. It also has 20 years of export experience and access to Ningbo and Shanghai ports.

Customization capabilityThe supplier explicitly offers customization from designs and samples, full, minor, and flexible customization, and states that it can design and manufacture non-standard products for special customer requirements. This is direct evidence of broad customization coverage.

Client casesThe supplier reports providing OEM services for well-known brands, which is evidence of relevant customer experience. No brand names, project descriptions, volumes, or independently verifiable case details are provided, limiting the depth of assessment.

Product Q&A

Q:How does the ventilator operate?

It uses natural wind power and the temperature difference between inside and outside to drive the turbine via centrifugal force and negative pressure.

Q:What materials are used for the ventilator?

The ventilator is made of stainless steel, with blade materials available in Stainless Steel, Aluminium, Ss201, Ss304, Ss316, and Alloy Steel.

Q:What is the expected service life?

The turbine blades can normally operate for 15 years without deformation even during high-speed operation.

Q:Can this ventilator be installed on a sloped roof?

Yes, the variable angle neck tube design allows installation on slopes ranging from 0 to 22.5 degrees.

Q:Is the installation process difficult?

No, the installation is very simple and generally takes only about 30 minutes.