According to the materials and functions of doors and Windows, they can be roughly classified into the following categories: wooden doors and Windows, steel doors and Windows, revolving doors, security doors, automatic doors, plastic doors and Windows, revolving doors, iron flower doors and Windows, plastic-steel doors and Windows, stainless steel doors and Windows, aluminum alloy doors and Windows, and fiberglass reinforced plastic doors and Windows
As people's living standards continue to rise, the types of doors and Windows and their derivative products are increasing, and the grades are gradually improving. For instance, there are heat-insulating aluminum alloy doors and Windows, wood-aluminum composite doors and Windows, aluminum-wood composite doors and Windows, solid wood doors and Windows, solar energy houses, glass curtain walls, wooden curtain walls, and so on.
2. According to the opening method, it can be classified as: swing opening, double opening, push-pull, folding, top-hung, outward-flipping, etc.

Yiwu Hengda Building Materials and Hardware is located at booth 19273 on the 4th floor of Gate 29 in the International Trade City. It mainly deals in aluminum alloy doors and Windows, aluminum profiles, security doors, various steel materials, building materials, construction supplies, color steel tiles, welding rods, steel plates, steel pipes and steel bars

Mobile wechat: 13958432645 QQ:987836999 Mr. Wang