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 doors color, although the liner just added enhanced, but its wind pressure and watertight aluminum doors and lower performance than about two levels. Aging problem: aluminum profiles durable interior door factory, there is no problem of aging, but aging does pvc plastic profiles. 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. 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. Fire performance: Fire performance flame-retardant pvc plastic doors and windows with respect to combustible wood doors are better, but compared with non-combustible aluminum windows and doors are poor. PVC is a flame retardant material in fire effects were encountered after a slow burning fire, such as from the fire will be self-extinguishing. Aluminum interior doors interior doors _ _ Chaozhou a INDUSTRIES quality and stability is provided by a Run Industry and Trade Co., Ltd. Zhejiang. Zhejiang A Run Co. (www.zjyrgm.com) strong, credible, Jinhua in Zhejiang security door industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead a Run Industry and Trade into the brilliant and you work for a better future!