Zibo HengDing Fan Co., Ltd., located in Nanjiao Town Industrial Park, Zhoucun District, Zibo City, Shandong Province, China, covers an area of 12000 square meters, a building area of 8000 square meters, a total asset of 12 million yuan, 86 employees and 26 engineering and technical persons. The company has passed the ISO9001 quality management system certification and has maintained a long-term technical cooperation relationship with Chinese colleges and universities. Now it has developed into a modern ventilation equipment manufacturing enterprise with first-class testing and production equipment, high-quality and excellent production mold, strong scientific and technological research and development strength, strict quality management system, and gradually improved and developed. Taking market demand as the development direction, the enterprise has always adhered to independent research and development and continuous innovation and has now developed into a modern environmental protection ventilation equipment enterprise focusing on mine fans, centrifugal fans, and special fan series. Fan products have more than 50 series and more than 600 specifications and models, which are widely used in mining, coal mine, oil field, the chemical industry, kilns, metallurgy, boiler, textile, building materials, and other industries. The "Zhifeng" brand products produced by the company sell well in 29 provinces, cities, and autonomous regions of China, and some products are exported to Vietnam, Saudi Arabia, Russia, Iraq, Indonesia, Kazakhstan, Tajikistan, Serbia, Albania, and other countries.