Ventilation spiral duct support
- Ningbo Aier ventilation Equipment Co. LTD
- product brand:Aier
- رقم الكشك：W4D43
- product specification:150*150 or 300*300
- product category:Ventilation Plants-Miscellaneous Components for ventilation plants-
- product introduction:1)Material: galvanized steel
2)Adjustable height is between 265-430mm
