The cabinet is designed with a large load-bearing capacity, sturdy and sturdy, with high lock safety, as low as 1/1000 mutual opening rate. The guide rail is made of 3.0 cold-rolled steel plate, with a load-bearing capacity of 200kg. It is equipped with a full width safety buckle to prevent accidental sliding of drawers. Only one drawer can be opened at a time to prevent tilting caused by pulling out multiple drawers.