Run a Trade and Industry here to remind you to identify security doors there is a very simple way is to look at signs. "FAM" on behalf of security doors, according to the standard parts of the product must clearly mark with "FAM" product code, others such as "entrance door", "protective door" and other products will not sign "FAM" product code. So, you remember? Run a Trade and Industry is a professional design, manufacture, and sales of modern large-scale manufacturing enterprises and industrial doors security doors Which is good, professional production of steel doors, steel doors, walls and doors, steel sets of doors, into the household metal doors, security doors and security doors non-standard door. Willing to offer you the price of steel doors, steel doors wholesale joined; wall gate prices, wholesale door wall to join; steel door sets the price, such as joining the steel jacket doors wholesale business cooperation. Run Industry and Trade in a cold region which reminded here of security doors should pay special attention. Because security doors, security doors also need to "winter" security doors offer, and also very important. Because indoor and outdoor temperature cold regions of great security doors rankings, hot and cold water when you can easily make the security door lock cylinder damp, then frozen, to avoid this from happening, before the onset of winter, it is necessary in the right amount two drops of oil in the cylinder antifreeze, gasoline or diesel fuel after the winter and then cleaned. Unavailable vegetable oil as a cylinder lubricant. Security doors rankings _ a prestigious INDUSTRIES (certified) _ Jilin security doors provided by a Run Industry and Trade Co., Ltd. Zhejiang. Zhejiang A Run Co. (www.zjyrgm.com) is an industry leader in Jinhua, Zhejiang, security doors, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Run Industry and Trade in a leadership with the staff warmly welcome all inquiries negotiations to create a better future for Run Industry and Trade.