... pieces SpecificationAccording to your requirement.MaterialAluminum, copper, iron, stainless steel, aluminum alloy, PD,APET, PVC, Plastic, hot/cold ... rolled steel plate /steel belt etc.Surface TreatmentZn-plating, Ni-plating, Cr-plating, ... order is done, thank you!!OthersIf you want to know more, please click our website: http://gdsx.en.alibaba.com steel hook