You can set sub domain by setting Cname record.

• If you need to set abc.net-chinese.com, please enter abc in“Hostname/cname".

  Please enter the domain name that you need to direct to in “IP/Domain name".

Notice

• You can set 50 DNS records for free.
• Please enter English lowercase. 
• Do not enter the same hostname/cname for two different records.
• Do not enter special symbol in hostname/cname except "-".
• Do not enter domain name in hostname/cname.
• Do not enter blank in hostname/cname.
• If there is any mistake, it would make your record invaild.