... meterial: metal 2,good price and high quality 3,size :many ... making all kinds of office stationery and hardware accessories production manufactory ,We will ... you the best product quality, competitive price and service .1,material :A: Metal category ... /alloyB: Plastic category : ABS PP PE and so on .2, Surface treatment: galvanization ... Warmly welcome to visit our factory, and if necessary, you can contact ...