Which car is world of tanks Wang Sigen?

The ninth grade middle school focuses on Tan wz 1 1 1-IV. There are four vertical lines in the name, and the engineering code wz is called Mr. Wang. This terrier comes from Kengtie.com ceo Wang Erlei, so it is called Wang Sigen. After WZ 1 1-5A came out, although there were not five.