"Quality first, customer supreme" is the company since the establishment of cultural truth; Attaches great importance to the user comments and Suggestions is the foundation of us to win; Cherish the users, the good faith management, quality service is the guarantee of long-term development; Adhere to independent innovation is bigger and stronger we do attitude.
We have established a people-oriented, only to do with, with its mechanism of enterprise culture of choose and employ persons, we respect knowledge, respect talent; Our long-term recruitment of colleges and universities and the society, the younger generation to provide employment platform to support and encourage them to create value, accumulate wealth of life, contribute to social development.
About us
Dong Tong Group

Dongguan guotong ventilation equipment co., LTD. Is the production of fan, exhaust fan, fan, intelligent control system, intelligent purification products of professional manufacturers, the factory covers an area of more than thirty thousand square meters, registered capital of 52.8 million yuan, products and services involved in shipping, high-speed rail, aviation, metallurgy, tunnel...

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  • 4-72-A rear centrifugal fan

    Structural features: single inlet, motor direct connection, rear curved impeller, efficiency and static pressure High: 0 ° 90 ° 180 ° 27 ° ° angle to be interchangeable.
    Machine range: NO.2.8-7A a total of 8 kinds of machine number.
    Air volume range: 85C-25671m3 / h

  • ZGF-A of backward pressure centrifugal fan

    Structural features: single into the wind, the motor directly connected, after the curved impeller, high efficiency and high pressure, conveying material is not dust, a variety of angle swap
    Machine range: NO.400-1250 a total of 12 kinds of machine number
    Air volume range: 1700-61500m3 / h

  • ZGF-CD of backward pressure centrifugal fan

    Structural features: single into the wind, after the curved impeller, efficiency and static pressure, a variety of angle swap, transmission for the C / D two structures
    Machine range: NO.400-2000 a total of 14 kinds of machine number
    Air volume range: 1700-143000m3 / h

  • ADB of duct ventilation fans

    Structural features: ceiling design, access to the pipeline, low noise, high efficiency; flexible installation;
    Machine range: NO.12-16 a total of three kinds of machine number.
    Maximum air flow: 200m3 / h

  • APA open square exhaust fan

    Structural features: all metal stamping molding, good steel, stable performance, nice, easy to install.
    Machine range: NO. 15-35 a total of 5 kinds of machine number.
    Maximum air volume: 1350m3 / h

  • DPB-C of circular centrifugal duct fan

    Structural features: round structure, centrifugal variable pipe design, low noise, high static pressure; flexible installation
    Machine range: NO.10-30 a total of 7 machine number
    Maximum air volume: 1600m3 / h

  • EF-HC fume purification dedicated centrifugal fan

    Structural features: This series of fans is based on the EF-C derived from the development of fume purification fan.
    Machine range: NO.4-8 # Total 7 machine number.
    Air volume range: 5431 ~ 42000m3 / h

  • FGA low noise post fan

    Structural features: aluminum alloy adjustable fan, the whole side of the cylinder structure; motor direct linkage; with a movable tripod
    Machine range: NO.2.8-8 # Total 10 machine number
    Air volume range: 450-26000m3 / h

  • GT-CB low noise ultra-thin cabinet type centrifugal fan

    Structural features: double inlet multi-wing front impeller, single-layer galvanized sheet structure; motor direct linkage
    Machine range: NO.7-12 # a total of 14 machine number
    Air volume range: 500-4450m3 / h

  • RDDF tunnel dedicated fan

    Structural features: aluminum alloy adjustable fan structure, dual motor drive, inlet and outlet set with a muffler, can significantly reduce fan noise
    Machine range: NO.600-1500 # a total of 11 kinds of machine number
    Air volume range: 12000-220000m3 / h

  • SWE mixing pipe fan

    Structural features: round structure, impeller with a meridian acceleration design, with low noise, high pressure; installation flexibility, sub-ordinary and quiet type
    Machine range: NO.10-30 a total of 7 machine number
    Maximum air volume: 1600m3 / h

  • TDF-GC High Temperature Plug-in Centrifugal Fan

    Structural features: single inlet, strong front wheel impeller, efficiency and static pressure high, removable structure, a variety of angle swap, transmission for the C-type structure
    Machine range: NO.280-1000 a total of 12 kinds of machine number
    Air volume range: 500-48000m3 / h

  • 11-62-A low noise centrifugal fan

    Structural features: single inlet, direct drive, low noise, large air volume, full pressure, the use of forward tilting impeller, multi-wing, ventilation effect is good.
    Machine range: NO.2.5-5 # Total 7 machine number.
    Air volume range: 1160 ~ 15225m3 / h

  • DCF light multi - wing centrifugal fan

    Structural features: single inlet, direct drive, low noise, large air volume, full pressure, the use of forward tilting impeller, multi-wing, ventilation effect is good.
    Machine range: NO. 1.5-4.5 # Total 7 machine number.
    Air volume range: 600-7500 m3 / h

  • T35-11 low noise shaft flow fan

    Structural features: aluminum alloy wing adjustable fan, the whole machine side of the cylinder structure; motor direct linkage; high efficiency, low noise
    Machine range: NO.2.8-11.2 # a total of 13 machine number
    Air volume range: 826-68000m3 / h

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News & Media

Four factors that affect the price of ventilation system2017-07-23

The new wind system types of smoke pipeline are divided into three categories: one-way flow, two-way flow and full heat exchange. The new wind system of the one-way ... [More+]

The selection of ventilation equipment...

While it is true that ventilation systems can eliminate indoor harmful gases and pollution, there is...

2017-07-24

The requirements of ventilation equipment...

In the gb50096-1999 housing design plan 5.0 indoor environment clearly stipulates the bedroom..

2017-07-23

There are several categories of ventilation...

Impeller is the main component of fan, its geometry, size, number of blades and manufacturing accuracy have...

2017-07-23
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