Shanghai SIYI Technology Co.,Ltd is a professional manufacturer of super large ceiling fan. According to the principle aerodynamics and with advanced technology American HVLS (high volume, low speed) fan, we have developed new style energy saving fan has ...

ZHEJIANG XINGYAN ELECTRICAL EQUIPMENT CO.,LTD. contributes to study, produce ventilation and deceleration product in order improve the space environment. Our destiny is bring benefit customer let world be greener environment better. BIGPALM adopts HVLS ...