Customizable Speed Control Negative Pressure Fan with Belt for Optimal Ventilation

Customizable Speed Control Negative Pressure Fan with Belt for Optimal Ventilation

An exhaust fan with belt is a useful ventilation device with the following characteristics:

Functions:

• This type of exhaust fan is primarily used to remove stale air, odors, fumes, and excess heat from a space. It works by drawing in air from one side and expelling it to the outside through a duct or opening.

• The belt drive system allows for a certain degree of flexibility in speed control. By adjusting the tension of the belt or using a variable speed controller, you can regulate the fan's airflow output to meet the specific ventilation needs of different environments.

• The exhaust fan with belt can handle relatively large volumes of air and is capable of generating significant air pressure to ensure effective ventilation even in large spaces or areas with obstructions.

Features:

• The ability to adjust the belt tension and speed allows for customization of the fan's performance, enabling it to adapt to different ventilation requirements and operating conditions.

Dahanfeng is a brand owned by Guangdong Xingchen Zhaoye Environmental Technology Co., Ltd., specializing in the R&D, production, and sales of ventilation equipment, including negative pressure fans and eco-friendly air conditioners. The product range has expanded to cover dehumidifiers, energy-saving air conditioners, portable air conditioners, and other ventilation solutions.

With decades of focus on air treatment innovation, our company is based in Shishan Town, Nanhai District, Foshan City, Guangdong Province. By 2024, our 25,000-square-meter plant employs 300+ staff, with a 60-member technical team.

Global Provider of Environmental Cooling Solutions

With 20+ years of manufacturing excellence, Dahanfeng delivers 300,00 AC units annually to 80+ countries worldwide. Our vertically integrated production ensures scalable capacity and rapid shipment turnaround, achieving 20% annual revenue growth.

Company employees and engineers

Supported by 300+ professionals – including 60+ HVAC engineers – Dahanfeng designs and manufactures high-efficiency AC systems for global markets.

Our technical team drives R&D breakthroughs in energy-saving tech (40+ patents) and maintains vertical production control from prototyping to mass manufacturing.

Honors & Reputation

Guided by our principle "Scientific innovation, quality first," we uphold rigorous quality standards, professionalism, and meticulous attention to detail through strict inspections. Over the years, we have cultivated a professional and innovative spirit, integrating high-quality domestic components and advanced foreign technology to enhance production and management.

As a multi-year "High-Tech Enterprise," we hold titles including "Guangdong Contract-abiding & Trustworthy Enterprise," "Guangdong Private Sci-Tech Enterprise," "Foshan Advanced Quality Management Unit," and "Guangdong Environmental Protection Industry Class A Credit Enterprise." Additionally, we possess 28 utility patents and 32 design patents, reinforcing our industry leadership.

Company Philosophy

"Survive by quality, thrive by reputation." Our team continuously researches and develops innovative products, refining technological processes and tackling development challenges.

Guided by "Customer first, quality first" as our long-term principle, our products and services now cover most Chinese cities and are exported globally. We manufacture and ship 300,000+ units annually.

Dahanfeng remains committed to our mission: advocating eco-friendly, energy-saving, and healthy electrical products in China. We provide quality products for quality living, winning trust through professional manufacturing and premium after-sales service, delivering fashionable, scientific, and humanized appliances.

Highly appriciated to meet friends of the world.