Established in 2002, we have over 20 years of experience working with global markets in the Rotary Airlock ( Airlock Shutter ) field,special customize service. The Rotary Airlock series as the necessary and widely equipments are suitable for pneumatic conveying system to feed or unload different materials like grain & oil, foods, feedstuff, chemical, drying, dedust, storage industries and so on. Our team of manufacturing and design consulting experts is catered to streamlining and advising you to get the best solution with reasonable costs. High Quality and Stability products could help you generate maximum revenue.