电 话：xxxx-00000000
传 真：xxxx-000000
邮 箱：xxxxx.cn
地 址：xxxxxxxxxx
Material: Aluminum profile
Specification size: (size) 150, 200, 250, 300, 350, 400
Accessories can be added: round butterfly valve
The outer frame is round, straight blade, blade tilt 24°
Fortune 500 Government platform Bulk package TOP developer Public facilities Universities and hospitals
