Key chains 1- Process: All processes are available, it's depending on the design 2- Material: Brass, zinc alloy, iron, pewte Key chains1. Process ... : Brass, zinc alloy, iron, pewter, steenless iron, cooper, leather, acrylic, plastic, etc. 3. Size: depending on the size of design, more ... according to customer's requirement 10. Customer logo is available. Key chains