Steel pipe skeleton ventilator - Ventilation Building - Customized installation of anti-corrosion board in Chengdu | Sichuan daylighting board manufacturer | Chengdu Ampelite Composite Materials Co., Ltd

Steel pipe skeleton ventilator

Steel pipe skeleton ventilator is a ventilator with steel pipe as the skeleton (including aluminum alloy skeleton)

钢管骨架通风器是以钢管为骨架（包括铝合金骨架）的通风器

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