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资质荣誉-Shanghai Hongji Ventilation Facilities Co.,Ltd

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Hongji ventilation Youshi
Fiber reinforced magnesium
Test report of steel clad

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Magnesium anti-exhaust smoke duct

Color steel composite air duct

Polyurethane composite duct

Phenolic composite duct

Extruded composite air duct sheet
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Office address: Building A1, Lane 1518, Wangyuan South Road,
Fengxian District, Shanghai City.
Tel：021-36370866, 021-36370867, 021-36370868
Mobile: 13482008200 Manager Cai
Email：youshi@hongjiduct.com , youshifg@163.com
Website： http://www.hongjiduct.com
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