First, the brand of aluminum alloy doors and windows
1. Sao Paulo aluminum alloy doors and windows. A comprehensive modern enterprise integrating R&D, production and marketing, which mainly produces aluminum alloy bedroom doors and craft solid wooden doors, is one of the enterprises with complete varieties and great brand influence in the industry.
2. Lv Feng Al-Al-Al alloy doors and windows belong to Guangdong Lv Feng Aluminum Co., Ltd., which is a comprehensive large-scale private aluminum profile enterprise integrating R&D and aluminum profile production and sales. Feng Aluminum is one of the leading enterprises in equipment, technical level and product types in the industry, with rich product types and excellent quality.
3. Xinhaoxuan aluminum alloy doors and windows have a group of powerful, sharp-eyed, creative production and technical personnel, as well as group enterprises with strong comprehensive development and production capacity. Products are environmentally friendly, durable, moisture-proof, corrosion-resistant, colorfast, sound-proof, close to the color of logs and ecological.
4. Shengjin aluminum doors and windows belong to Suzhou Shengjin Aluminum Co., Ltd., which was established in 1993. Is a Sino-foreign joint venture specializing in the production, processing, installation and operation of aluminum profiles. Rope gold aluminum alloy doors and windows have a very good reputation in the market. Over the years, the enterprise has obtained more than 700 patented technologies, which are well received by the public.
Second, the selection skills of aluminum alloy doors and windows
1. The degree of deformation is small: first, the profile itself has good rigidity, and second, it is cold-connected. The hardware fittings between horizontal bars and vertical bars are installed with screws, bolts or aluminum nails, which connect the frame and fan bars into a whole through angle steel or other types of connectors.
2. Thickness: There are 70 series and 90 series aluminum alloy sliding doors and windows, and 70 series aluminum alloy sliding doors and windows can be used in houses. The aluminum alloy serial number indicates the millimeter of the thickness and structural dimension of the door frame. There are four kinds of common aluminum alloy sliding windows: 55 series, 60 series, 70 series and 90 series. The selection should be based on the size of the window opening and the local wind pressure value, and the aluminum alloy sliding window for closing the balcony should be no less than 70 series.
Doors and windows made of different materials give us different sense of security. If the quality is good, we can rest assured. So, what brands of aluminum alloy doors and windows and their purchasing methods? After reading the introduction of the above small series, everyone understands these problems.