1. Stainless steel frame, one-off forming at high temperature and high pressure; 2. Sliding door, with electric control sliding door opener system; 3. Surface-mount full stainless steel sheets or ivory anti-static plate spliced with wire-drawing stainless steel sheets, with stainless steel bindings; 4. Electric actuator (optional): (1) application of a plurality of intelligent and protection units capable of automatic setting of control process; (2). Use of a safety beam (photocell) to ensure safe access of persons; (3) professional mechanical drive design featuring long service life, large torque and extremely low noise. (4) open with hand/feet sensor switch or keypad. 5, the thickness of the pb is 2mm to 4mm