company profile

Fire damper, exhaust valve, exhaust fire damper, positive pressure air supply, air volume control valve actuator

         Ningbo Dongling Plumbing Air Conditioning Fittings Co., Ltd. was established in 1992. It is located in Hengxi Town, a thousand-year-old town in Yinzhou District, Ningbo City. It enjoys convenient transportation. It specializes in manufacturing fire dampers, exhaust valves, exhaust fire dampers and regulating valve accessories.
        The company always attaches importance to brand building and product research and development. Since 1995, it has successively registered several trademarks such as “Dingle” and “Dongling”; in 1996, it applied for patents, and by 2018, it has more than 60 valid patents, including 7 invention patents. . He has won the Ningbo Invention Innovation Award and the China Fire Protection Association Science and Technology Innovation Award. The main products have passed the inspection by the National Testing Center, and the special explosion-proof products have passed the inspection of the National Quality Supervision and Inspection Center for Explosion-Proof Products.
        The company has been rated as a national high-tech enterprise, a three-level standardization enterprise in the safe production country, a patent demonstration enterprise in Zhejiang Province, a national statistical standardization enterprise, and a bank credit rating class AA. The company is a member of Zhejiang Fire Protection Association and Ningbo Intellectual Property. The member company of the Protection Association and the enterprise R&D center were rated as Ningbo Enterprise Engineering (Technology) Center.
        The company has more than 10,000 square meters of production space, and has 100 sets of various types of machining equipment for processing the main core components. The rest of the parts make full use of the surrounding good machining conditions and adopt the form of external processing to effectively guarantee the production. The company needs a number of assembly lines; and the company has a complete set of product quality testing equipment, and now has an annual production capacity of 5 million sets of various types of fire exhaust valve actuators.
        The company has established a strong sales network and established marketing centers in more than ten cities in China. The company's products have been applied to Beijing, Shanghai, Guangzhou and other subways, Qinshan Nuclear Power Plant, Lianyungang Tianwan Nuclear Power Plant, Capital Airport, National Grand Theatre, Shanghai Jinmao Tower, Expo venue, Guangzhou Railway Station and other landmark buildings.
        Our mission: not to do the scale of a large company, but to do a special job, so as to become a valve actuator supplier in China and the world.

company culture

Worship the world's famous teachers; gather the Quartet;

【Our vision】

Worship the world's famous teachers; gather the Quartet;

【Our mission】

Save resources for the country; create wealth for the society; build a platform for building members to realize the value of life

【Our goal】

Create a competitive and superior industrial team in China; make Dongling a national brand enterprise

【Our aim】

Create benefits for customers; create wealth for employees; create profits for shareholders

【our perspective】

Customer: Control costs and save resources

Grateful: Be a grateful person and win respect with love

Responsibility: Responsible for yourself, responsible for the company, responsible for the society

Integrity: Honest and trustworthy, win the world

company's history

The development history of Ningbo Dongling Plumbing Air Conditioning Parts Co., Ltd.


National free hotline:18058552889 address:No. 1033, Fengqian Line, Yusi Village, Hengxi Town, Yinzhou District, Ningbo, Zhejiang, China
Dongling Taobao shop Corporate public number


Ningbo Dongling Plumbing Air Conditioning Parts Co., Ltd. 备案号:浙ICP备18056823号 National free hotline 18058552889