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Company Profile
Foshan Nanhai Langrun Electronics Co., Ltd. is a company specializing in the research and development and production of high-quality cross-flow fans and cross-flow fans. It is also the most professional and complete enterprise in the industry. The company has large-scale production management experience and a strong R & D team (the company has a group of senior engineers proficient in aerodynamics, air duct fluid design, blade number, blade angle, blade curvature, air volume and air pressure) and advanced production equipment and testing methods, which can quickly provide customers with the needs Various specifications can meet the needs of customers from different stages of design, development, production, and installation. Quickly provide customers with various specifications of fans, after years of unremitting efforts, has now formed an integrated production enterprise integrating mold development, product design, and research and development of various new products.
The company has developed more than 800 specifications of nine series of cross-flow fans. The specialized technical products provided by Langrun can reduce your product development time and cost and improve product quality. The products are widely used in the fields of air purification, heating systems, ventilation and heat dissipation.

Our product specifications: The diameter of the impeller can be made from 25mm to 80mm, and the length can be made from 50mm to 420mm! Its specifications are: Φ25, Φ30, Φ40, Φ43, Φ48, Φ50, Φ60, Φ65, Φ80 and other 9 series covering over 800 specifications such as AC and DC!
Our product materials:
Impeller: The fan impeller uses aluminum-magnesium alloy, which has the advantages of light weight, high strength, large air volume, low noise, low vibration, good temperature resistance, fatigue resistance, and long life.
Air duct: its protective board adopts SPGC 1.0T (0.6-1.0 depends on different specifications)
Connector: EPDM anti-fatigue and high temperature resistant silicone rubber parts
Bearing: imported bearings
Motor: AC: AC cover motor, AC capacitor motor, (plastic motor)
Working voltage: AC110V, AC220V, 50 / 60HZ
DC: DC brushless motor
Working voltage: 5V, 12V, 24V, 48V, 60V (The working voltage depends on different specifications!)
Our company can also customize RD (stop alarm), FG (speed signal detection output), PWM (pulse speed control), NTC (temperature control speed), EC (voltage speed control) and other functions according to customer needs!

Our product performance:
Insulation level: The standard product is E level (up to H level)
Insulation withstand voltage: AC 1500V, 1 minute (up to 3000V, 1 minute)
Insulation resistance: DC 500V 100M or higher Operating temperature: 0 ℃ ~ + 45 ℃ (up to -50 ℃ ~ + 100 ℃)


Our advantage:
Using the most advanced design, lowest noise, extremely high quality and reliability, wide range of use environment. The specialized technical products provided by Langrun can reduce your product development time and cost and improve product quality. Our strong technical research and development team can tailor-made for you to meet the development and design of your product, seeking the best solution to meet your future application development trend. We provide a full range of ventilation and cooling products and technical services, always working tirelessly for your needs.


Our promise
Better services, more competitiveness, more experience, more focus.
Our services range from the beginning of the project to provide you with advice and support, to the selection of ventilation and cooling products, installation, maintenance and other additional services, and run through every stage in the future.


Choose Long Run
We not only provide fan products, we focus on solving the best air movement, intelligent ventilation, control, and complete solutions!

At Langrun, you can always find a product that meets your needs!
Trust us! You are welcome to consult at any time!


Copyright 2009 Foshan Nanhai Langrun Electronics Co., Ltd. All rights reserved Record number: 粤 ICP 备 17031724
Address: No. 50 Lishui South Road, Dali Town, Nanhai District, Foshan City Telephone: 0757-85516689 Fax: 0757-81183171
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