... 10 years, Please contact us for price list.Curtain rod Poles - (curtain rod end cap):material: zinc alloy or ... ,like 16/19mm,25/28mmAnti-rust treatCurtain bracket (curtain support, curtain holder, curtain fix):Bracket type: double bracket, single bracket, ... 16mm,19mm,22mm,25mm,28mm,35mmAnti-rust treatCurtain Rings (curtain hardware,curtain accessories):Material: iron/steel, plastic, zinc-alloy, steel ...