ICNEA 3312—Metal door and window manufacturing

Where 3312 sits

1. C Manufacturing industry
2. 33 Metal products industry
3. 331 Manufacturing of structural metal products
4. 3312 Metal door and window manufacturing

What 3312 includes

• Including the manufacturing activities of the following metal doors and windows：
• Metal doors, their frames and thresholds
• Steel doors and their frames and thresholds: sliding doors made of steel, sliding doors made of steel, revolving doors made of steel, fire doors made of steel, rolling shutter doors made of steel, anti-theft doors made of steel, fence doors made of steel, other steel doors and their frames and thresholds
• Aluminum doors and their frames and thresholds: aluminum alloy sliding doors, aluminum alloy sliding doors, aluminum alloy revolving doors, aluminum alloy fire doors, aluminum alloy rolling shutter doors, other aluminum doors and their frames and thresholds
• Other metal doors, their frames and thresholds
• Metal windows and window frames
• Steel windows and window frames: steel sliding windows, steel blinds, other steel windows and window frames
• Aluminum windows and window frames: aluminum sliding windows, aluminum blinds, other aluminum windows and window frames
• Other metal windows and window frames
• Metal guardrail and similar products
• Metal window guards and barriers: steel window guards, aluminum alloy window guards, steel window guards, other metal window guards and barriers
• Metal balcony guardrail and similar products: steel balcony guardrail and similar products, aluminum balcony guardrail and similar products, zinc railings, handrails and similar products, other metal balcony guardrail and similar products
• The following products are included in this category
• Aluminum-wood composite doors and windows
• Broken bridge insulated doors and windows
• Refers to the production activities of making doors, windows and similar products for buildings with metal materials (aluminum alloy or other metals).

What 3312 excludes

• Plastic blinds, included in 2927 (manufacturing of daily plastic products)

3312 in other systems