What are the raw materials of industrial hardware?

What are the raw materials of industrial hardware? The five main raw materials used in #KUNLONG products are stainless steel, zinc alloy, aluminum alloy, plastic and SPCC. Click on the video to find the raw materials you want to know about it!

#ODM #OEM #Shangkun  #handle #hinge #lock #drawlatch #coupling #IndustrialHardware #StructuralParts