please check the follow process map.How can i improve the processes using an integrated ERP system

MADE TO ORDER PROCESS MAP Make payment Customer Customer via alternadve make payment Sends Inquire sends a method and receives and within 30 days CUSTOMER purchase end payment canfirms and sends order recolpl to order payment finance decalls to finance send Receive create and purchase Inquire from send back order to Customer quotation Finance for SALES credit check Prepare Send Sales Payment order to Confirms Receive Receipt and -NO Customer product Payment and Payment Update Sales send to redits design and sends order From Record FINANCE customer assembly to warehouse Customer for packaging after ao days and dispatch Dispatch Lack Send loks to customer to customner Gets delivery and note and Package send sends to Lacks and delivery note finance WAREHOUSE/LOGISTICS Prepare to finance package the shipment department for make locks and creation send to customer Order for unavailable parts from the external put the create keys supplier strings of locks for the locks check for all put the locks and do a PRODUCT DESIGN AND available logether in ASSEMBLY No quality check - parts to make the press together in shop the final on the keys the ordered assembly unit assembly and send to locks All parts and send to available? Final warehouse assembly for dispatchMADE TO ORDER PROCESS MAP MAKE payment Customer Customer via abemotive receives and make payment CUSTOMER Sends Inquire sends a method and within 30 days purchase send payment confirms and sends order receipt to order payment finance details to finance send Receive create and inquire from purchase send back order to Customer quotation finance for SALES credit check Prepare Send Sales Payment order to Confirms Receive Receipt and Customer ave good product Payment and Payment send to design and sends order From Update Sales FINANCE customer to warehouse Record assembly Customer for packaging after so days and dispatch Send locks Dispatch Lock to customer Gets delivery to customer and note and Package sends to Locks and delivery note WAREHOUSE/LOGISTICS finance Prepare to finance shipment department package the for invoice locks and creation send to customer Order for unavailable parts from the cinternal put the supplier strings of create keys check for all lacks for the locks available together in put the locks and do a PRODUCT DESIGN AND ASSEMBLY parts to make the press together in quality check the ordered shop the final on the keys locks assembly unit assembly and send to All parts and send to the available? final warehouse assembly for dispatchMADE TO STOCK PROCESS MAP Make payment via alternative receives and Customer method and confirms make payment Customer Sends back send payment receipt to order within 30 days CUSTOMER Sends inquiry purchase and sends finance order payment details to finance Send RReceive Create and Purchase Customer end order to Inquire Quotation finance for SALES credit check Prepare Confirms Receive Payment Does Send Sales Payment and Payment Receipt and Customer Update Sales have good Yes order to sends order From send to credit? Warehouse to warehouse Record FINANCE Customer customer for packaging within 30 days and dispatch Send locks Package to customer Gets package the Dispatch Locks and WAREHOUSE/LOGISTICS locks and Locks to Prepare delivery note and send to customer shipment sends to customer finance