Henan Shuangxin is a professional manufacturer of fog cannon. We have the ability and team to design, produce, manufacture and export fog cannons. We have been deeply engaged in this industry for more than 10 years and have rich experience.
Read MoreAir valve, the full name of "air volume control valve"; it is mainly used to adjust the air volume in the ventilation system pipeline. In modern smoke prevention and exhaust systems, air volume control valves are also widely used as important ventilation equipment.
Read More