
Taishan Gangyi Electrical Appliance Co., Ltd. (NEDFON) manufactures indoor ventilation equipment and fresh-air system solutions, recognized for consistent product quality and a broad product range for healthier indoor air.
Taishan Gangyi Electrical Appliance Co., Ltd. markets its products under the NEDFON brand and focuses on the design, development, production, and sales of indoor ventilation systems and related equipment. Founded in 1989, the company is dedicated to improving indoor air quality and supporting building energy efficiency through practical, system-based ventilation solutions.
Its product portfolio covers fresh-air systems, air curtains, exhaust/ventilation fans, HVAC-related products, dehumidifiers, ventilators, and air purification solutions, serving residential, commercial, industrial, agricultural, and hospitality environments. The company positions itself as an intelligent, customized, and integrated provider of indoor ventilation system solutions.
Manufacturing is supported by a 30,000 square meter workshop and a 5,000 square meter warehouse, backed by a workforce of 1,000 employees. With an emphasis on quality and continuous innovation, NEDFON products have earned strong recognition from customers in the market.

The company focuses on indoor ventilation systems—covering product design and development, manufacturing, and sales—aimed at improving indoor air quality and enhancing building energy efficiency.
The company provides integrated indoor ventilation system solutions with an emphasis on intelligent control and customization to suit different building and usage scenarios.
NEDFON products are positioned around reliable quality and have earned strong praise from customers.
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