Low budget yet good quality tires

[Dr.Kamiya]

Edit:

I retract my previous post. You're right, the PS4S will last a lot longer, but at the same time it's also competitive with 200-treadwear tires like the Neova AD08R.
IMO that's just a testament to how good the PS4S is that it gets close to 200-treadwear performance despite being a 300-treadwear tire. (AFAIK it's so good that most of the Best Motoring guys swear by the PS4S and now use it as their tire of choice).

In the same grain, the Sailun beating the PS4S is also a sign of how much these "cheap Chinese tires" have improved. Yes it won't last as long and will be noisy, but if you need a cheap track tire that's probably 1/4 to 1/3 of the cost...