Shenzhen Runjinchang Science and Technology Co,.Ltd is an innovative,progressive,energetic and professional company which specialized in reserach,developement and manufacturing of AC/DC/EC cooling fan and duct fan with its own brand RJC-FAN. We are a factory with more than 1000 square plant.Our DC fans, AC fans, blowers,EC fans, duct fans have been widely used in various electronic products, machinery and equipment, power supplies, medical treatment, purification, stage lighting, automotive, refrigeration and heat transfer , beauty equipment, sports equipment, LED lighting, stage lighting equipment and more than 60 industrial fields. Our products were sold to all over the world and win high reputation in both domestic and international area. We provide customized service to our customers and try our best to meet customers' specifications requirements. If you need cooling fans, please do not hesitate to contact us.