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Useless Position, doing internal financial work and deal with project team. If you cannot stand the stress from Project Team, you will be devour within weeks.
Judging your age, probably you are not a Senior yet. Unless your technical & soft skill is dam good. Senior is at least Hay Level 17.
LOL? You need Mandarin to survive, what post are you working as?

there is no salary range.... depends on ur experience. 
renwewable?  hard to say... this manila and jakarta project contract with customer is about 2.5 years.
accomodation no provided, u get one lumsup salary.

im not in the position to say this position is useless or not, but i can tell u that u are expected to do more.  Just remember,  expect the unexpected in huawei