High Quality Window Handle and Door Handle

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Q: What are the international certification of doors and windows hardware?: Do not hear anything on the doors and windows hardware certification. But the market has the European standard slot said. Internationally known as roto and so on

Q: What are the main considerations for buying steel doors and windows?: Sieve cleaning, the user should not remove the fixed gauze of the tape, won the gauze, but should be removed as a whole yarn, with water-soluble detergent and soft cloth scrub. Winter yarn fan is not used, the user can according to the need to remove the screens themselves. Shavings should be kept on a distance of 1 meter away from the heat source, flat or short side vertical stand, not hard material pressure, so as not to deformation. In the use of the sliding fan, please note that it coincides with the vertical frame of the inner push - pull fan to maintain good sealing. Plastic doors and windows have a lot of advantages, good sound insulation, good temperature, fire. The most important thing is to take the green doors and windows are environmentally friendly materials will not cause harm to the human body. In the purchase of steel doors and windows when you must choose a guaranteed big brand. Daily life to the regular doors and windows on the dust to clean up, keep the windows and doors clean and bright.

Q: Domestic doors and windows hardware top ten brand advantage how?: (China Aluminum Group, China's top ten aluminum enterprises, the central management of the large state-owned enterprises) 2, Asia - South Asia (China Famous Brand, China Famous Brand, China Aluminum Enterprise Top 10, Guangdong (China Famous Brand, China Famous Brand, Top 10 Chinese Aluminum Profiles, Guangdong Jianmei Aluminum Factory Co., Ltd.) 4, Feng Aluminum Aluminum (China Famous Brand, Guangdong Famous Brand) (China Famous Brand, China Famous Brand, Liaoning Famous Brand, China Zhongwang Holding Co., Ltd.) 6, Hing Fat Aluminum (China Famous Brand, China) (Listed companies, Chinese famous brand, well-known trademarks in China, China's top ten aluminum enterprises, Zhejiang Dongliang new materials Co., Ltd.) 8, China's aluminum enterprises, Nanshan aluminum (Chinese brand, China famous brand, China's top ten aluminum company, Shandong Nanshan aluminum Co., Ltd.) 9, by the Court of aluminum (China Chi Trademark, China's top ten aluminum company, Alcoa Technology Co., Ltd. by the Court) 10, Albert Aluminum (China brand, Guangdong Province, Guangdong Province famous brand, Guangdong Albert Aluminum Co., Ltd.)

Q: Domestic high-grade doors and windows hardware accessories which brand ah?: Domestic doors and windows hardware three brands: Guoqiang, Kennedy Lang, and Hopewell, second-tier brands such as Lixing, spring, and so on. If long-term hybrid aluminum alloy doors and windows industry, these prices must be clear in the chest, as for the reason you understand.

Q: Door and window hardware quality assurance period is how much: Door and window works of the warranty period can refer to 2 years.

Q: Domestic doors and windows hardware top ten brands of advantages and disadvantages?: Domestic aluminum doors and windows hardware brand has a lot ah! At present, the domestic credibility of the better solid promise doors and windows hardware, Kennedy Lang, Guoqiang, etc., is a common product of construction, pure hand, please do not thank me!

Q: Bathroom aluminum door frame how to deal with corrosion: Generally speaking, the corrosion of aluminum alloy doors and windows hardware is a chemical reaction and electrochemical reaction process, but also a variety of substances in a variety of forms of reaction, it is difficult to use one or two ways to explain the reaction, but the aluminum alloy doors and windows hardware The reason for the corrosion of the corrosion is mainly electrochemical corrosion under natural conditions. Aluminum alloy doors and windows are generally made of aluminum, stainless steel, zinc alloy, carbon steel and other components, these different electrode potential and contact with the metal in the corrosive composition of the original battery, resulting in electrochemical corrosion. Especially in the marine atmosphere, industrial atmosphere, aluminum alloy doors and windows of this material structure determines the inevitable occurrence of electrochemical corrosion. Aluminum alloy profiles which are easy to passivate their own, the potential relative to other materials from the negative change is to slow down or stop corrosion, and the potential of the steel parts will increase the corrosion, resulting in damage to the hardware.

Q: Hehe hardware, Kennedy hardware which is good? Thank you!: Two hardware companies focus on different: Kennedy metal focus on the curtain wall metal structure hardware, quality and industry reputation are good, the product is mainly for large commercial buildings; search Hopewell hardware focused on doors and windows hardware, product variety is more comprehensive (including construction with sealing tape), the main products for the residential category;

Q: Broken aluminum doors and windows hardware invisible inside the inverted how to install: Broken bridge aluminum doors and windows hardware invisible internal open flip method 1. On the hanging window, two open ventilation, a flat open, a hanging, such as non-broken aluminum windows, the replacement of a set of hardware can solve the problem. 2. Each brand is similar to the general installation of the fan on the order is on the left, hinge, and finally installed the handle, if you own equipment, then it is estimated that some things, because it also involves the trumpet, the size of each manufacturer formula Not the same. 3. Handle down is the lock state, 90 degrees is open state, up the inside state, you check to see if there is a problem with the installation of hardware, especially the rack part of the need to be the same direction. 4. Genuine inside the back of the metal packaging box has a detailed description of the footage.

Q: What is the meaning of the maximum load of doors and windows hardware: Is the weight of the windows of the windows where the hardware is installed

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