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Key Products

Magnesium anti-exhaust smoke duct

Color steel composite air duct

Polyurethane composite duct

Phenolic composite duct

Extruded composite air duct sheet

Contact

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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