The connection between the bottom of the bed and the bed is directly related to the safety of the entire bed. Nowadays, many cribs in the market are made of synthetic sheet and suspended in the inside of the bed. Such a crib is the most dangerous. Active baby likes to jump in the bed, it is easy to step on the bed or break the wood at the bottom of the bed. The risk of a bed crash. The hardware that connects between the bottom of the bed and the bed is also very important. It is related to the load-bearing of the bottom of the bed. Most of the cribs in Europe and the United States use iron bed bottom and solid wood bed bottom, between the bottom of the bed and the bed. The connection design and the use of the connection hardware have strict requirements, usually embedded or suspended connection. The connection between the wood and the metal bed must use anti-slip screws.