zinc alloy material 、patent production 、anti cutting 、whole part by injection 、have alarm function 、zinc alloy material 、patent production 、anti cutting 、whole part by injection 、have alarm function
 
                            zinc alloy material 、patent production 、anti cutting 、whole part by injection 、have alarm function 、zinc alloy material 、patent production 、anti cutting 、whole part by injection 、have alarm function
 
                           
                           
                           
                           
                           
                           
                          Lock body material: zinc alloy Cylinder material: zinc aloy key: 4pcs Qianghan key Packing: sliding card packing can have alarm function as option, key have patent can not make copy
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