Ping Ya Industry and Trade to introduce you to swing from the form is divided into: general swing gate, gate door, picture-doors and composite doors. Swing is the single ordinary fan open closed doors. Door in the door that has the advantage of swing gates and there, some of it outside the door of the fence gate, fence gate, after a small door, open the door as gates ventilation purposes, closed door as Swing role. Mother door frames are generally used for larger family-home residential, which is to ensure easy access in peacetime, but also easy to make big furniture moved. Also known as a composite door frame two, the front door of the fence door factory direct high-grade interior door, the back door is a closed swing. Ping Ya Trade and Industry to remind consumers to buy security doors should pay attention to the following points: (3) Qualified Security door frame plate thickness should be 1.5mm or more upscale interior doors, door thickness 40mm or more generally in the high-grade interior Which door should check the weight of the door, the general should be more than 40kg, and by removing the cat's eye, the doorbell box or lock handles, etc. to check the internal structure of the door, the door plate thickness should be 0.5mm or more, within a few Root reinforcing steel skeleton, so the front and rear door panels connected together organically, and enhance the overall strength of the door, the door Oh generally or cellular polyurethane filler paper upscale interior doors wholesalers, with insulation, soundproofing. Fire doors which should be filled with asbestos (fire cotton) and other materials with fireproof function as a filler, hand percussion door body issued a "pound" sound, consumer hands to open and close the door should be flexible. Fire doors production should promulgate a national production of fire doors Certifications. Upscale interior doors wholesalers, Shandong upscale interior doors, Ya Industry and Trade Co., Ltd. is provided by faith-based flat Yongkang Ya Industry and Trade. Yongkang Ya Ping Ltd. (www.ykpygm.com/) strong, credible, Zhejiang Jinhua 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 into the elegant splendor of Industry and Trade and you work for a better future!