Shanghai Dehui Special Ventilator Co., Ltd. is an outstanding enterprise that provides professional, excellent, and comprehensive customized ventilation solutions to its customers. Founded in 1991, the company is located in Yangwang Industrial Park, Fengxian District, Shanghai, covering an area of 60,000 square meters and employing over 300 staff members. The company specializes in manufacturing various large and medium-sized ventilation, induced draft, smoke exhaust, and dust removal fan products, and is a backbone enterprise in the fan industry in the Shanghai region. The company is a member of the National Fan Industry Association and the National FRP Association. The company has always adhered to the principle of "emphasizing quality and development." Over the years, it has provided high-quality ventilation solutions and maintenance services for industries such as energy, petrochemical, metallurgy, electric power, shipbuilding, and automotive in China. Its products have been awarded the "Shanghai Key New Product," "National Key New Product," and "National Quality and Credit Guaranteed Product." The company has been honored as a "Shanghai High-tech Enterprise," "Shanghai Patent Management Pilot Enterprise," and "Shanghai High-tech Achievement Transformation Project." In October 2002, the company successfully completed the transition from ISO9002 to ISO9001:2000 (Certificate No.: 3100/200315234). The company possesses an advanced CAD-assisted fan design system, a computer-automated data acquisition and processing air chamber testing device, as well as advanced equipment such as CNC plasma cutting machines, CNC turret punch presses, CNC edge-bending machines, and CNC shearing machines. The company has successfully developed industrial furnace kiln and FRP wastewater and waste gas treatment system equipment, and its R&D and manufacturing level has leapt to a world-leading position. The company is committed to enhancing value through quality and striving to become the most influential ventilation enterprise in China.