Numbering for mobile verification call to China in Chinese
The translation for "your verification code is 1234" in Chinese should be 

"您的认证码是 一 二 三 四" or "您的认证码是 1 2 3 4" in your code.

Note：

“1 2 3 4 5 6 7 8 9 10” 

are pronounced as "yi1 er4 san1 si4 wu3 liu4 qi1 ba1 jiu3 shi2" in Chinese.

are written as "一 二 三 四 五 六 七 八 九 十" in Chinese.