supercmr.com clone but with different document created

hello, in supercmr.com the main document created is cmr. But I want to create and manage documents a) import customs disposition and b) export customs disposition . main features of the user : 1. manage importing companies and switch between them 2. manage forwarder comlanies 3. manage suplliers 4. manage products and customs tarriff 5. create and manage import dispositions (attach documents) 6. create and manage export dispositions (attach documents). 7. send documents by email pdf csv xml . 8. users should sign up a) for free up to 5 dispositions b) for 50 eur/year for 1 importing company c) 100 eur/year for unlimited importing companies.