Dears:

1、step 3-step receive product..by warehouse

2、Tens of thousands of products and set it's Order Point Rule..ex: op/0001 ~~op/10000

3、sales order ---> confirm...

4、warehouse->run schedule

5、Qc-->Stock   and Input--->QC 's stock picking by internal Transfer.  ODOO it's automatic merge .on same stock picking by same location..and same procurement group(is set null). 

How to do can ...by purchase order number is stock picking? or can automatic dynamic set pg_id by product....？