Qingzhou XL Light Industrial Equipment Co., Ltd. is one of the first enterprises specialized in ventilation, cooling, humidification and heating equipment. Our company is located in Qingzhou, Shandong Province, a developing city with a long history, and our company covers an area of 20,000sqm, with more than 300 staff members. Currently our company can produce 10 series and more than 100 varieties of products, including ventilating fans, exhaust fans, negative pressure fans, circulation ...