Hello,
I have gone through your requirement in details and able to understand. Manage stock, purchase, purchase return, GST calculation for the respective item, sales target (if want ), invoicing etc.
I'm a great fit for this project because we are an excellent team of Web and mobile developer with 9 years experience.
We can deliver on time, according to your specifications fully eye catchy ERP system as an expert in the same, will not compromise on quality and giving you a surety to do this project on time and as per your requirement.
We can start right now. Ping me for further discussion.
Thanks & Regards
Kanak