What materials are used for the fan blades?

The blades are made of Krupp 430 stainless steel with a thickness of 1.2mm.

What is the motor protection grade?

The motor has an IP55 protection grade and F class insulation.

How do you guarantee product quality?

We use advanced processing equipment, professional operators, and conduct 100% visual and function inspection.

Large Airflow Negative Pressure Fan Industrial Workshop Ventilation Exhaust Fan Energy Saving

Name: Large Airflow Negative Pressure Fan Industrial Workshop Ventilation Exhaust Fan Energy Saving
Brand: Weifang Duohui Intelligent Equipment Technology Co., Ltd.
SKU: 2169482162

Shandong, ChinaWeifang Duohui Intelligent Equipment Technology Co., Ltd.

US$128.00-130.00

360 Sets

Product profile

Customization

Available

After-sales Service

Field Installation, Commissioning and Training

Type

Wall-Mounted Fan

Model NO.

DH-1380

Usage

Poultry Farm Ventalation

Application

Chicken

Power Source

Electric

Heating and Ventilation Equipment Type

Cooling Ventilation

Blade Type

Stainless Steel

Certification

ISO9001:2008, CE

Condition

New

Warranty

1 Year

Drive Type

Belt

Application Area

Animal Husbandry/Greenhouse

Function

Cooling Ventilation

Speed

3 000 Rpm

Motor

100% Copper Motor

Transport Package

Standard Ocean Freight Packaging

Specification

1380*1380*450mm

Trademark

Duohui

Origin

China

Production Capacity

50000 Sets / Month

Key features

Krupp Stainless Steel Blades: 1.2mm thick Krupp 430 stainless steel blades ensure durability and no deformation.

High Air Volume Efficiency: Centrifugal system opens shutters 90 degrees for lowest air resistance and maximum airflow.

Low Noise and Vibration: Computer-calibrated blades and aluminum-magnesium alloy pulleys ensure smooth, quiet operation.

Customizable Voltage: Voltage and frequency can be customized to meet specific regional power requirements.

Durable Imported Belt: Type B Mitsuboshi belt from Japan ensures long service life and stable transmission.

IP55 Motor Protection: Motor features IP55 protection grade and F insulation class for reliable performance.

OEM and ODM Support: Accepts all OEM and ODM orders with custom branding and design options available.

Company profile

Importers and Exporters

Weifang Duohui Intelligent Equipment Technology Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.89h

AI-Powered supplier vetting

SummaryWeifang Duohui Intelligent Equipment Technology Co., Ltd. is a Chinese limited company established in 2025, specializing in producing dredgers. The company emphasizes quality and customer satisfaction, offering stable, efficient, and low-maintenance products. It exports 90% of its products, mainly to Belt and Road countries, and supports customization, OEM, and ODM services. Despite a strong export orientation, the company lacks significant financial stability, innovation outputs, and overseas service infrastructure.

Supplier typeThe supplier is a combined type company with a focus on export trade, manufacturing, service, quality control, and R&D capacity. It is a limited company based in Shandong, China.

Financial creditThe supplier reported no financial activity last year, indicating a lack of financial credibility.

R&D capabilityThe supplier lacks innovation capability, with no new products or SDK availability reported in the past year.

Production capacityThe supplier lacks in-stock service capacity and valid contracts for manufacturing, indicating potential production limitations.

Customization capabilityThe supplier offers extensive customization services, including full and flexible customization options, supported by ODM capabilities.

Client casesThe supplier exports to multiple Belt and Road countries and is recognized by global customers, suggesting successful customer cases.