i need to get a multiple business visa for one year . pls advise last visit march 25th 2015 .

Hello, you should apply for a one-year multiple-entry M type. The following materials will be required for submission:
1. Your passport
2. An application form with your recent bare-headed photo stuck on it
3. Documents on the commercial activity issued by a trade partner in China
4. Less than three pages of the copy of local company bank statement (please bring the latest 3 months original one)
5. Copy of Business Registration Certificate
6. Copies of previous China entry permits