Car key chain, also known as car key chain, car key ring, car key chain, car key hang.The materials for making car key chains are generally metal, leather, plastic, wood, etc.It is a kind of automobile articles that people carry with them every day.A car key chain is a decorative item hanging on a key ring.Give the key chain that the choice collocation likes oneself, not only can reflect the mood that gives an individual and individual character, can show oneself grade more at the same time also bring happy mood to oneself.Car key chain modeling is various, such as cartoon modeling, brand modeling, simulation model and so on, material such as copper, aluminum, rubber, plastic, and so on, now mainly zinc alloy surface plating nickel or rhodium and other rust elements.