点击图片查看原图A. 钥匙上锁，主舌2级伸缩，加长行程，安全舒适
once lock, the main lock can extend 2 grade to increase the length to make more safety,
左右内外可调，带天地杆挂钩，多点锁定，安全倍增
Can be adjusted left and right, inside and outside with Heaven and earth rod and
Many lock point to provide more safety.
C. 精铸SUS304不锈钢斜舌，抗磨性能好，内置热轧弹簧，抗疲劳强度高
SUS304 non-rusty steel as assist lock, provide great durable, spring inside provide more strongness.
D. 精铸SUS304不锈钢主舌，坚固粗大，硬度高，更具备防撬、防暴力撞击
SUS304 non-rusty as main lock, which is high strong and hard, provide more safety when get broke and damage.
E. SUS304不锈钢冲裁的衬板和面板，衬板厚度为2.5mm，精抛拉丝，一生不锈
SUS304 non-rusty boards with thickness 2.5mm, provide no-rusty for whole life.
F. 精铸SUS304不锈钢主舌，室内反锁，室外用钥匙无法开启门锁
If the SUS304 non-rusty main lock is locked inside, you cann’t open from out door by key.