You can also go to the turntable to draw a lottery, and you can get legendary and epic high-quality and high-value skin. Every time you draw a lottery, you will get an item, and the price of the lottery will increase with the number of times.
You can also get a gun skin through the welfare system of season tickets. Every season, everyone can get a lot of rewards by upgrading their season passes, from blue quality guns and melee weapons to purple quality characters.