Qingdao Chengfeng Wanda Industry and Trade Co., Ltd is aprofessional manufacture of ventilation and cooling system, whichhas 7 years' experience. Foreign trade company was estabialished inthe year 2013. The products incloding the ventilation fans, evaporative coolingpad, poultry equipment, etc. Which had passed CCC, CE andISO9001;2008, won great praises among our clients.Welcome to have a visit of our factory.