Scandinavia curved metal access door for air duct maintenance
- Ningbo Aier ventilation Equipment Co. LTD
- product brand:Aier
- رقم الكشك：W4D43
- product specification:180x85, 300x100, 400x200, 500x400
- product category:Ventilation Plants-Miscellaneous Components for ventilation plants-
- product introduction:1)Material: Z275 galvanized steel
2)Thickness: 0.7mm, 1.0mm and 1.2mm (varies from different size)
