Ping Ya Industry and Trade to introduce you how to do routine maintenance of the doors: Open finger oak door or turn the door handle, do not use too much force, causing damage to the life cut short locks; regular activities accessories such as door hinges etc. Once loosening immediately tighten; avoid locks often touch the water or other liquids, to prevent it from fading or corrosion and the opening and closing of inconvenience, not working when door open steel doors custom-made, can be added to the keyhole the right amount of lubrication pencil end. Ping Ya Industry and Trade to introduce you how to do routine maintenance doors: not often friction finger oak door edges, otherwise it will cause coloring at the corners facing material damage, when the stucco walls of steel entrance door, to the doors be masked in order to avoid the product surface paint stains, impact doors of appearance, and even affect the quality of corrosion. Furthermore Steel door supplier, since there is shrinkage of wood, characteristic swelling of the differences in temperature and humidity the case of large steel doors wholesale, such as a slight crack or shrink, this is a normal natural phenomenon With the seasonal changes, this phenomenon will disappear naturally. Steel door manufacturer, Sichuan steel doors, flat elegant and meticulous work of Industry and Trade Co., Ltd. Yongkang level by Accor and Trade. Ltd. Yongkang Ya Ping (www.ykpygm.com/) strong, credible, Jinhua in Zhejiang doors industry has accumulated a large number of loyal customers. The company better work attitude and constantly improve the level of innovative ideas will lead ya Trade and Industry into the brilliant and you work for a better future!