Yong Kang Hengxin Coating Equipment Manufacturing Co., Ltd. to introduce you how to choose security doors equipment: Understanding the sheet thickness inner facade find security door equipment Seal grade non-standard doors equipment Price, the stamp position, including non-standard door hinge side equipment Manufacturers, attention levels can be compared in the following table Chongqing non-standard door equipment, GB17565-2007 "anti-theft security door general technical conditions" performance rating list: security door after door level ╱ ╱ front panel door open time technology level of violence on time Grade 2.0 mm╱1.0mm╱1.0mm B class B ≥30 minutes ≥5 minutes 2.0mm╱1.0mm╱1.0mm A grade ≥1 minutes ≥15 minutes ≥10 minutes Grade C 1.8mm╱0.8mm╱0.8mm A grade ≥1 min D level 1.5mm╱0.8mm╱0.6mm A grade ≥6 minutes ≥1 minute national standards must fight the stamp on the door, the door did not hit if you see a symbol, not in line with national standards. Obviously, it is not anti-theft door. Wing 康恒鑫 Coating Equipment Manufacturing Co., Ltd. precautions shock like you a brief introduction to prevent: 1 power hand tools should be added to the leakage protection device. 2. In the damp, dust or gas explosion hazard to the construction site were closed and use explosion-proof electrical equipment. 3. Always check the fan equipment, lightning protection box changes and earthing cable connections are secure. Non-standard door equipment manufacturers, Hebei non-standard door equipment, Hengxin painting equipment manufacturing good quality provided by Yongkang Hengxin Coating Equipment Manufacturing Co., Ltd. Yongkang Hengxin Coating Equipment Manufacturing Co., Ltd. (www.ykhxc.com) strong, credible, Jinhua in Zhejiang building materials production and processing machinery industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hengxin painting equipment manufacturing into the brilliant and you work for a better future!