What is keychain? and what's the use?

Keychain, also known as key ring, key chain, key hanging and so on. The material of the keychain is made of metal, leather, plastic, wood and so on. This material is exquisite small, ever-changing shape is the daily necessities of people carrying daily necessities. The keychain is a decorative item hanging from the key ring.

 

keychain shape, such as cartoon shape, brand modeling, simulation model, etc., the material is generally such as copper, aluminum, rubber, plastic system, etc., now mainly zinc alloy surface nickel or rhodium and other rust-proof elements. Custom personalized keychain has now become a free gift for a company.