In fact, this is the standard process of erp. Generally ERP goes like this. The system flow chart of any software is drawn like this. No attachments can be attached here. Txt is really helpless. I will give you a link. You can download it. Generally ppt, which can be modified. If you want visio, you should put it online!

/BBS/bbsshoarticle . aspx？ Bid =1129&; aid=429 1 16

If it is not suitable, leave a message in the station!

References:

/BBS/bbsshoarticle . aspx？ Bid =1129&; aid=429 1 16