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 door wood composite door manufacturers, after the gates there is a small door style solid wood doors, open the small door as gates and ventilation Which, closed door as Swing role in the use of solid wood composite door there. 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, the back door is a closed swing. Ping Ya Industry and Trade to introduce you to legal production and distribution of security doors should have the following two conditions: ① must have local Public Security Bureau issued by the Office of Management technology to prevent the production and distribution licenses. ② the production and distribution of security doors must be approved by all regions and Technical Supervision and the public security organs according to law authorized product quality supervision and inspection stations qualified. Regular manufacturers of security door security level due certification card. Wood composite door company | Heilongjiang wood composite doors | level of trust units Ya Industry and Trade Co., Ltd. Yongkang level provided by the Trade and Industry Ya. 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!