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   Guangzhou Wintong Aluminium Products Co.,Ltd is a professional company inaluminium louver,Aluminium Sliding Window. Since its inception,with innovative technology,advanced management,high-quality service,we won the majority of customer recognition.The companys core values are:either do not do,or do Commercial window and door service really well

   

Guangzhou Wintong Aluminium Products Co.,Ltd have Aluminium Folding door Factory wholesale supply,Aluminium Swing door the lowest price,Aluminium door traffic ranking,Most favourable supply Residential window and door,Super value Aluminium door,Most affordable Aluminium Sliding door and other areas of expertise, combined with excellent service capabilities, To provide customers with professional, customized Aluminum Door. Moreover, since the establishment of a long time ago,the Aluminum Doorsbusiness of Wintong has always maintained a high-speed and stable growth. details: Commercial buildings are relatively high, so the higher the height, the greater the wind pressure, and the commercial area is a lot of people, all the quality requirements for aluminum alloy commercial window and door?are extremely strict, so how to distinguish the good or bad of the commercial aluminum ?window and door.Wintong summed up several points to identify high-quality aluminum alloy commercial window and door. It is convenient for everyone to refer to when purchasing.The basic requirements of?aluminum alloy commercial window and door?are high strength, good thermal insulation, large ventilation area and good decorative effect.1. From the aspect of profile quality, first of all, which treatment method is used for surface treatment. If the surface is an ordinary oxidized profile, first check whether the thickness of the oxide film meets the standard. Oxide film thickness standards National regulations for window and door are generally above 10μm, curtain wall is above 10μm. The oxide film has strong abrasion resistance, weather resistance and corrosion resistance, and can form a variety of colors on the surface of the substrate, and has strong hardness and impact resistance. If it is a surface-treated profile, it is also necessary to test whether the alkali resistance, acid resistance, wear resistance, weather resistance are good, whether the surface of the profile is smooth, and whether the color is consistent.2. See if the geometric angle of the profile is accurate, the profile can not be bent and twisted, and the angle should be correct.3. See if the thickness, purity, hardness, toughness and pressure resistance of the profile meet the requirements, whether there is a squeezing pattern on the surface of the profile, and then measure the thickness of the profile with a caliper. It is important to check the thickness. Some counterfeit goods use thinner aluminum profiles to make doors and

   The integrity, strength and prodzationuct quality of Guangzhou Wintong Aluminium Products Co.,Ltdhas gain highly industry recognition. Welcome friends from all walks of life come for visit, guidance and business negotiations. For more information please visit: www.wintongwindows.com


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