I CAN SOLVE YOUR CHINA EMS SHIPPING PROBLEM
My name is Povilas and I would be perfect for your task.
I'm Python developer and I can help you with your project. I'm specializing in custom web/desktop application development. What I could offer you a application which you could access though browser with a nice dashboard were you can enter required details and see generated results.
Bar Code generation looks clear I can use pyBarcode Python library which have EAN-8, EAN-13, UPC-A, JAN, ISBN-10, ISBN-13, ISSN, Code 39, PZN barcode generation capability.
I have some questions about Tracking code. How this code should be obtained ?
I have some Ideas and some questions about your project so please contact me now and we can discuss them.
Regards,
Povilas Kudriavcevas