Scandinavia flat metal access door for air duct maintenance
- Ningbo Aier ventilation Equipment Co. LTD
- product brand:Aier
- رقم الكشك：W4D43
- product specification:300x200, 400x200, 500x400
- product category:Ventilation Plants-Miscellaneous Components for ventilation plants-
- product introduction:1)Material: Z275 galvanized steel
2)Thickness: 1.0mm
