1.Door&Window Self-lock,Aluminum Self-lock,Window Self-lock 2.Material:Aluminum 3.Surface treatment:Powder-coated 1.Door&Window Self-lock,Aluminum Self-lock,Window Self-lock2.Material:Aluminum3.Surface treatment:Powder-coated or Spray paint 4.The color can be produced according to customer requirement.5.High quality and good price,we supply OEM service.6.We are are specialized in the ...