Window safety system bracket
Door and Window safety system bracket material is Zamak 5#((ASTM AC41A Zinc alloy 4-1) by die-casting with zinc plating. Die-casting materials can be Zamak 2#(ASTM AC43A)、Zamak 3 (ASTM AG40A)、Zamak 7 (ASTM AG40B) We also can supply Door and Window sliding wheels system
