Product Overview
Engineered to combat excess moisture, our extraction fans efficiently regulate air quality in bathrooms, laundry rooms, washrooms, and enclosed pool areas. Designed in varied capacities, they adapt seamlessly to spaces ranging from compact powder rooms to large-scale humidity-prone zones.

Available as exhaust ventilation units or inline duct-mounted systems, all models share a unified purpose: channeling damp air outdoors via ductwork to maintain balanced indoor humidity levels.

General assembly Drawing

Product Installation Method

Step 1: Frame Preparation
Construct a structural-grade rectangular frame using joist-mounted anchors to ensure ceiling stability.

Step 2: Unit Integration
Secure the fan enclosure to the pre-installed framework using vibration-dampening fasteners.

Step 3: Directional Duct Alignment
Align the duct collar’s directional arrow with airflow requirements, then lock it to the cabinet outlet using quick-connect bayonet fittings.

Product Performance Curve

Product Performance Specifications

Guangdong Zhongdian Jiajin Environmental Technology Co., Ltd.

originated from Foshan City Nanhai Zhongxing Hardware and Electrical Appliance Factory (with brands including Zhongdian Fresh Air and Zhongdian New Science), is a modern National High-tech Enterprise mainly engaged in manufacturing:

DKT external rotor air conditioning fan (curved and square),

Mixed flow pressurized duct fan,

KTF stainless steel external rotor centrifugal fan cabinet,

Air curtain fan,

Purification type low-noise fan,

Centrifugal low-noise ventilation equipment,

EC frequency conversion digital energy-saving fans, etc.

The manufacturing base is located in Foshan City, Guangdong Province.

Since its establishment in 1997, we have always adhered to the quality line and actively created our own brand, Zhongdian. We have successively passed ISO9001, CE and CCC certifications, and obtained multiple utility model patents. Our comprehensive strength and brand influence rank among the top in the industry.

Guangdong Zhongdian Jiajin Environmental Technology Co., Ltd. adheres to the business philosophy of "technology driven development, respect for talent, reform and innovation, and pursuit of excellence", introduces numerous advanced automation equipment and 5S management systems, attaches importance to user experience of products, and takes continuous customer satisfaction as the business orientation. After unremitting efforts, we have become the leader in the fresh air system market.

Guangdong Zhongdian Jiajin Environmental Technology Co., Ltd. adheres to the principle of prioritizing quality over output, and has won the trust of users across the country with excellent quality and outstanding performance. And strive to enhance competitive advantages in pre-sales, in sales, after-sales and other aspects, and will continue to adhere to the creed of customer first and service first. It is the continuous iteration of products and services, striving to become a leading brand in mid to high end fresh air system equipment.