Zhejiang Industry and Trade Fordyce for everyone to popularize the role of fire doors fire doors is one of the measures the building fire separation, usually on the firewall, stairwell entrances or openings of tube wells, required to compartment fire and smoke. Fire doors to prevent smoke and fire spreading and stretch, reduce losses play an important role. Zhejiang Industry and Trade Fordyce for everyone to popularize Door specification GB doors generally have four sizes, where to sell anti-theft doors, height of 2050mm and 1970mm two heights, width of 860mm and 950mm after two kinds of combinations can be: 2050 * 860,2050 * 950,1970 * 860,1970 * 950 security door price, is 2.05 meters height 2050mm total height of the door, if the user doorway height is 2070mm 2050mm height that can be purchased, need to leave a margin of about 20mm theft door wholesale, relatively easy to adjust when installing. Outside the open door into the open and inside are two, but to identify the direction of the door are outdoor identify. Direction is divided: Outside left open, outside right to open, open the left, the right internal open. Resolution open to the hinge (hinge) side prevail. Outside left open as an example: in the face outside the doorway, hinge (hinge) on the left hand side is the outer left open the security door security doors _ Wholesale _ Hunan Trade and Industry welcomed by Fordyce (view) from Zhejiang Industry and Trade Fordyce! Limited. Road Zhiyuan, temper forward. Zhejiang Fordyce Ltd. (www.cngusite.com) aims to become and you win symbiosis, strategic partners to move forward, the more determined to become the most influential security door business, and you leap together to success!