E-commerce major in the Department of Management Engineering has only two master's programs, one is management engineering (level 1) and the other is technical economy (level 2).
You can go to the website of the Department of Management Engineering to find relevant information.
/glgc/
/glgc/xwjy/yjs.asp
Very detailed
As for English, graduate students in most schools have no requirements for CET-4 and CET-6. You are not a graduate student, but you need a certificate. Many people can get into famous schools through their own efforts without CET-4 or CET-6. Just work hard.
PS: I am an undergraduate in electronic commerce in Zheng Da.