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Material: DX51 D+Z275 OR DX51 D+Z80 galvanized steel with 25mm fiberglass wool insulation

· Gasket: polyurethane gasket

· Available in 9 standard square sizes from 150x150mm to 600x600mm,

· 150X150,200X200,250X250,300X300,350X350,400X400,450X450,

· 500X500,600X600

· Cam lock system

· 150-350mm,two cam locks,400-600mm,four cam locks

· rectangular sizes are also available upon request

Company profile

Our advantages

Established in 1997 & located in Yuyao Ningbo China, Yuyao Jingqiao Hardware Factory (also names as Ningbo Aier Ventilation Equipment Co., Ltd) has been a leading manufacturer of HVAC Accessories & Custom Metal Stamping Parts for over 20 years

Hydraulic Press Production Line

Progressive Die Pressing Production Line

Robot Arm Transfer Production Line 

Fully Automatic Powder Coating Line

In-house Tooling Workshop

Assembling Lines

· Competitive Pricing

· Strict Quality Control

· Fast & Stable Delivery Time

· Comprehensive Range

· Strong R&D Support

Excellent Customer Service

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