Qu Fuyao door industry professional production and processing KFC doors, revolving doors, door sensors, KFC door profiles, imitation copper, stainless steel staircase handrails and other stainless steel products, stainless steel Wangjiagongcheng undertake, our spirit of "advanced technology, practical products, services thoughtful "service, over the years by the majority of new and old customers praise and trust. KFC door has a nice, durable, color variety, easy to use, open freely, across the hot and cold insulation, noise insulation, acid, corrosion other chemical stability. Being increasingly used, the following resolution Kentucky to teach you some little knowledge quality door profiles. 1. To check whether the section thickness of aluminum profiles consistent with the model marked; 2. there is an obvious distortion of aluminum profiles, the surface is smooth, there is no white point, black point KFC door profiles, there are no cracks, burrs or from leather, scratches, etc., if it is best not to buy; 3. Carefully inspect the surface of aluminum profiles with a different shades of color if there is color, there is no reliable quality color description; then a few sections of the same type together Compare, color obviously should not buy; 4. a hard object with a smooth surface and gently draw about aluminum profiles, will leave a white scratch KFC door fittings, gently wipe scratches KFC door, if you can easily wipe off, indicating that the surface oxide film thickness profiles of qualified, can rest assured purchase; otherwise, there may be material quality issues. KFC door wholesale, Qu Fuyao Door Industry (certified), Heilongjiang KFC door by Linqu Fuyao metallwarenfabrik. Linqu Fuyao Metal Products (www.lqfymy.com) (www.lqfymy.com) Shandong Weifang, door and window hardware leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. In Qu Fuyao door industry leadership with the staff warmly welcome all inquiries negotiations to create Qu Fuyao door industry a better future.