Yuyao Tianchao Ventilation Facilities Co.,Ltd., is a professional cross flow fan manufacture which located in Sibei Industrial Park,,Yuyao city,China.Our company has ten years' experience of developing cross flow fan,there is a strict quality team.the timely service,best quality,good reputation,special originality are ours target. There is a good partnership of our company and some well-known universities.such as Shanghai Jiao Tong University,Xi'an Jiao Tong University,Huazhong University of ...