Liaoyang stainless steel fire doors

 Liaoyang stainless steel fire doors --- Industrial Co., Ltd. of Shenzhen City proficient fire doors complete documents, priced at direct sales, installation of train Shenzhen fire doors, steel fire doors Shenzhen, Shenzhen glass fire doors, fire doors Class Shenzhen, Shenzhen B fire Doors, Mobile: 13728894133 Mobile: 13556866654 Contact: Cai Guang first URL: http: //www.sztx88.com URL: http: //a13556866654.b2b168.com Free Phone: 4008884513 E-mail: 2540559416@qq.com Address : Bao'an District of Shenzhen City Industrial Park, Liaoyang yellow linen stainless steel fire doors fire doors into everyone knows wood fire doors and steel fire doors both, steel fire doors better understanding of the principles of this wood fire but the fire door is ? What do some consumers do not understand, let's take a look through the comparison process; quality relationship wooden fire door fire wood to the fire resistance of wood fire doors, fire doors and therefore many manufacturers have set up the process for The special production process of process control points, but due to the lack of mature technology retardant step procedure, leading manufacturers of flame each process varies retardant technology is not reasonable, it can not guarantee the quality of fire, severe when will lead to reduce the fire resistance of fire doors, to the safety of people's lives and property caused by the potential pitfalls. Commonly used methods retardant wood are: spraying, dipping, cooking method, vacuum method, a vacuum pressing method. Fire shutter doors spray and immersion method generally used no longer planing of wood surfaces, and the thickness of less than 10mm thin fire-retardant treatment, does not apply to the production of wood fire doors. Vacuum and vacuum pressure method, while excellent flame retardant effect, but because the equipment is expensive, and some fire doors manufacturers also no use. Liaoyang stainless steel fire door fire door plays a very important role in the fire in the fire, residential, hotels, leisure facilities and major shopping centers should install fire doors. In recent years, the probability of increasing the mall fire, so you should install fire doors, so as to effectively control the fire, and reduce losses. There are now many types of fire doors to choose from. Wooden fire door with a single open fire doors and double doors open fire, and there are bright with glass windows with. In addition, we buy fire doors in time must be purchased at the regular factory. Liaoyang stainless steel fire doors