电 话：xxxx-00000000
传 真：xxxx-000000
邮 箱：xxxxx.cn
地 址：xxxxxxxxxx
Material: galvanized steel plate
Size: Fit with the size of air duct or tuyere
Directly installed on the air pipe, control the wind speed, adjust the air volume and the opening and closing of the pipeline, easy to operate, flexible adjustment, compact structure, good air tightness.
Fortune 500 Government platform Bulk package TOP developer Public facilities Universities and hospitals
