1.Plastic Window Hook Lock,Plastic Hook Lock,Hook Lock 2.Material:Plastic 3.High quality and good price,we supply OEM service. 1.Plastic Window Hook Lock,Plastic Hook Lock,Hook Lock2.Material:Plastic3.The color can be produced according to customer requirement.4.High quality and good price,we supply OEM service.5.We are are specialized in the manufacturing of zinc and allunmium die-casting for 20 ...