Before understanding what doors and windows are good , let's first understand the relevant knowledge of doors and windows. Doors and windows are an indispensable part of the living room. So far, doors and windows have experienced four eras, such as wood, steel, aluminum alloy, and plastic-steel doors and windows. The price of wooden doors and windows is moderate, the appearance is poor, the sealing is poor, the fire is flammable, and the deformation is cracked. It is only suitable for low grades. It is suitable for general places, with high maintenance costs and short service life. Steel welded doors and windows have low prices, low grades, easy corrosion, easy deformation, high maintenance costs, and short service life, and are facing elimination. Aluminum alloy doors and windows have good flame retardancy, luxurious appearance but poor integrity, easy to deform and corrode, and poor thermal insulation, poor thermal insulation and weak sound insulation. So, what does all doors and windows? Below I recommend several good door and window brands for everyone to use for reference when consumers buy! What doors and windows are good What doors and windows are good: TATA An enterprise dedicated to the integration of living room doors and promoting a beautiful and scientific living environment. Today, there are 1,000 stores in 500 cities across the country, and there is an online mall. It is the first manufacturer to offer a five-year warranty and lifetime maintenance-free. What doors and windows are good: Qunsheng Door Industry Large non-regional group companies involved in real estate supporting building materials, automobile and motorcycle products, financial investment and other fields. In 2008, the company's total industrial output value was 1.66 billion yuan, with a tax of 44.88 million yuan. What doors and windows are good: Bu Yang It is one of China's largest security door production bases and export bases, and was rated as one of China's Top 100 Growth Companies. Buyang Group, as the first enterprise in the security door industry to have the three authoritative medals of "Chinese famous brand products", "Chinese well-known trademarks" and "national inspection-free products", invested nearly 230 million yuan in advertising expenses in the media. "Buyang, I can rest assured" has become a household name. What doors and windows are good: natural wooden doors Headquartered in Shunde District, Foshan City, Guangdong Province, it realizes the scale and standardized operation of the wooden door industry from various chains such as production, channels, terminals, and services. Taking advantage of the company's accumulated advantages over the years, we are committed to becoming a leading domestic first-line wooden door brand. What doors and windows are good: Panpan "Panpan" International Category Association member, national contract-abiding, trustworthy unit, 44 key protected enterprises in Liaoning Province, high-tech enterprises in Liaoning Province. Panpan passed the ISO9001: 2000 quality system certification, ISO14000 environmental certification, CE certification; received the enthusiastic care and support of the party and the country, party committees and governments at all levels The development of the enterprise is affirmed, and high expectations are placed on the future development and construction of the enterprise. In addition, there are: Yangyang giant wooden doors, Huahe wooden doors, conch steel windows, Shide steel windows, Lebang anti-theft windows, etc. are good door and window brands. Consumers may wish to consider when buying! What kind of doors and windows are good Frame fan material breaking: the introduction of the world's most advanced aluminum alloy material breaking equipment, professional operators, length error is ± 0.5mm; angle error is ± 1. Profile processing: Enter the data into the computer, all will be exactly the same. Frame fan assembly: Four corners are evenly coated with corner glue to effectively solve many problems such as cracking. Hardware accessories installation: high precision measurement to confirm correct installation. Glass installation: Careful measurement of the size also requires very high skills for the master. Six quality inspections: Only after six inspections can it be listed. Mainly include profiles, cutting, processing, assembly, finished product control, and packaging. Editor's summary: The above is the introduction of relevant knowledge about the top ten brands of doors and windows, and I hope to help friends who have needs in this regard! 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