DESCRIPTION • Not suitable for high humidity applications. • Variable air flow control. • High valve body improving air flow, reducing noise, with intergraded spring fasteners. • Simple removal for cleaning. 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.