Why the demand for aluminum doors and windows is much higher than other forms of the doors and windows? So let a Run Co. tell you. Wind pressure strength and watertight performance: steel doors and steel material strength due to low interior door factory, despite adding lining just increased, but its wind pressure and watertight aluminum doors and lower performance than about two levels. Aging problem: aluminum profiles durable interior doors, there is no problem of aging aluminum interior doors, pvc plastic profiles and indeed aging. Now China is the use of plastic doors and windows basic lead salt recipe system in Germany, Austria, the United States, some companies use organotin formulations. Zhejiang Industry and Trade Co., a Run for you to choose the direction to bring high-end sliding doors. Depends on the profile section: Profiles divided two kinds of recycled aluminum and magnesium alloy. The more high-quality made of high-grade aluminum sliding door profiles major, strontium, copper, magnesium, manganese alloy, the biggest advantage is that the degree of tenacity. And the thickness can reach more than 1mm. Listen pulley vibration noise: high-end sliding doors if there were, the next two pulleys. Interior doors, locks, a choice INDUSTRIES (certified), Jiangmen interior doors are 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.