Demo prepared on pehoy server 
Preparing the manufacturing demo: 
Install all the required modules for the manufacture demo.
Added Product. 
Added Vendor. 
Set reordering rules.
Created BOM for all the products.
Described Quality Control Points.
Completed automatic workflow of the sales order to purchase order and manufacturing order.
Tested the manufacturing demo.
error raised solved while testing.

Preparing the Trading demo:
Added required modules in the database.
Added products.
Added Vendors.
Set reordering rules.
Completed workflow of the sales order to invoice-making.
Created automatic generation of the Purchase order.