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Sliding window and door than traditional take up the space is little, appearance beautiful, use convenient, widely welcomed by the people. If want to push-pull type door window normal operation, stable, so choose what kind of slippery course is very important.

First, choose slippery course materials. Now in the market sales orbit different material. Slippery course for more since is relatively will also be part of the slippery course by copper into. Since is relatively to the slippery course and divided into the common and JiaHouXing, this is according to the applicable door or window quality of a material and decide. If the window and door are smaller, lighter weight again, can choose a small some orbit, and if the door or window weight is heavy, be about to choose to JiaHouXing orbit, ensure safe and durable.

Second, pay attention to the quality of pulley. Pulley is sliding door, window the noticeable accessories, pulley quality fit and unfit quality significantly impact on the door, window push-pull quality. A good set of pulley when used to smooth, safety, no noise. The pulley and bearing outer quality decided pulley quality. The outer for nylon fibers or more to the copper. Copper pulley is strong, but when pulling voice; Nylon fabric quality of a material of pulley when pulling no sound, but not as copper pulley wear-resisting. Bearing material also have very big different, good quality wheel bearings imported stainless steel materials, bearing installation closely, sliding the feel when soft, no noise, the more upscale block also can adjust the height, make up the door and the distance between tracks, making the door and rail link more closely. The door, window at the bottom of the small pulley work quality also is very different, sophisticated technology of small pulley pull up light and quick, some pulley with spring prevention device, using more safe.