One-Run Industrial Co., Ltd. to you a brief introduction to the use of fire doors in main problems: 1. Install an ordinary fire doors on the latch or lock. Some places on the door to the prolonged closure simply secretly installed on the door on the latch or lock on the fire door an ordinary death. 2. unauthorized removal of the fire door closers. Fire is self-closing fire doors can precisely fire door closers without human control the situation, and some users in order to facilitate access to it without the usual fire demolished closers, security doors stitching Shaoguan, in the event fire, fire doors can not be closed not have any effect on the. Also replaced the fire lock anti-theft lock that are not desirable. Zhejiang Run Co. interpretation of a mainstream form of market windows. Market watchers interpret Steel door manufacturers Cheung door industry doors form the current mainstream market. Steel door entered a consolidation phase, as people gradually increase security awareness, steel doors have more and more popular in the market to splice security door wholesale, according to statistics, almost nationwide major, small urban families have with steel doors, the penetration rate is close to 100%. Zhejiang Run Industry and Trade Co., Ltd. is a door, steel interior doors, wall doors, interior doors intelligent, smart door locks, intelligent modules and other professional production and processing company. Integrity, strength and quality of products Run Industry and Trade Co., Ltd. Zhejiang one recognized by the industry. Welcome friends to visit, guidance and business negotiation. Stitching where to buy security doors, a customer-oriented INDUSTRIES (certification), Shaoguan splicing security door by a Run Industry and Trade Co., Ltd. Zhejiang. Zhejiang, a Run Co. (www.zjyrgm.com) is a professional "security doors, security doors, mosaic door, imitation copper, steel interior doors, metal interior door" of the company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "one-Run Industry and Trade" brand has a good reputation. We adhere to the "service first, customer first" principle, so that a INDUSTRIES won the trust of customers in the public security doors, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!