Qingzhou Hualong Mechanical Science & Technology Co.,Ltd is located in Qingzhou, Shandong Provice, a developing city wih long history. The factory occupied 58000 m2 and the workshoparea is 44000m2. We hae an efficient team containing more than 30workers an56 engineers.



Our company is a professional manufacturer of ventilation, cooling equipment, humidification and heating equipment. Our main products include poultry fan, negativ pressure fan, exhaust fan, greenhouse an, cooling pad, ...