CBPO [China Biologic Products] SC 13D/A: (Original Filing)
[CUSIP No. 16938C106 1. Names of reporting persons. WP X Biologics LLC 2. Check the appropriate box if a member of a group (see instructions). ¨ x (a) 3. SEC use only 4. Source of funds (see instructions) N/A 5. ¨]