CBPO [China Biologic Products] SC 13G/A: CUSIP No. 16938C106 SCHEDULE 13G Page 12 of
[CUSIP No. 16938C106 SCHEDULE 13G Page 12 of 12 Pages Joint Filing Agreement IDG-ACCEL CHINA GROWTH FUND II L.P. its General Partner its General Partner IDG-ACCEL CHINA GROWTH FUND II ASSOCIATES L.P. its General Partner IDG-ACCEL CHINA GROWTH FUND GP II ASSOCIATES LTD. IDG-ACCEL CHINA INVESTORS II L.P. its General Partner] [16938C106 CUSIP No. 2 12 Page 1 NAMES OF REPORTING PERSONS IDG-Accel China Growth Fund II L.P. 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) ¨ ¨ (a) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION]