i am going to china for bussiness so pls send visa

You should apply for a China business visa from the China Embassy in Dhaka, Bangladesh with the following documents:
1. Valid passport (at least six months before expiration) with blank visa pages and copy of the first three pages;
2. Typed Visa Application Form (Form V2011A) with one passport photo;
3. An "Invitation Letter of Duly Authorized Unit" or "Confirmation Letter of Invitation" prescribing the visa validity, number of entries and stay period;
4. Chinese hotel reservation, return air ticket booking and financial proof.