
Qingzhou Junyang Industry And Trade Co., Ltd, is the biggest and the most professional manufacturer of ventilation, cooling, humidification and heating equipment in Asia. Our company has about 60series over 200 varieties of products including exhaust fan, , air cooler, circulation fan, cooling pad machine, cooling pad raw materical and heaters. The working team has more than 200 workers including 20 engineers and 6 senior mechanical engineers. As the No. 1 ventilation equipment manufacturer in ...