Can whether i need visa or not and if yes, can i ask about the visa requirement?

Yes, you need to apply for it in advance through Chinese embassy or consulate in Malaysia, with following documents:
1. Properly and truthfully filled out Application Form, to which one passport-size photo is attached.

2. Valid passport with blank pages and a photocopy of the data page.

3. Copy of Malaysian Resident Permit (if any).

4. Round trip air-ticket booking list, hotel reservation & your company register certificate, tax clearance, true bank statement and employed certificate.