DESCRIPTION • Engineered polymer construction. • Two-way deflection. • Traditional styling. • Integral multi-shutter damper with easy-to-use damper handle. • For heating or cooling applications. • Bright White finish. • Any colors you would like (2 weeks more). INTRODUCTION Ningbo Xiangbo Machinery Co., Ltd. is specializedin handling the export and import business in manufacturing field. We have our own professional manufacturer with 50 million annual turnovers which is established in 2006, covering 15,000 square meters with over 150 productions and testing equipments.