Build me an app

I need an app which is based on textile industry. My app includes company logo, textile machineries photos, spare parts pics ,titles, ads,website link etc My work is related to sales of new and old textile machines and their spare parts. In my app i need various options for my clients. Like if anyone wants to place order for textile machines than app should be shown prices for that with specified detials. Other than this if anyone wants to purchase place order for spare parts for their machines . so he will type the spare parts name and number or select the spares form list. if they will order for spare parts than there will no prices includes. ( No prices shown for spares parts only for machine) They will ask like that- -Place order for estimate- -Place order for tax invoice- And that following invoice will be created by us in next 2-4 days and that estimate will be uploaded and that client can see the estimate or tax invoice on thier registration id or notifications on their emails My app should build with tracking facility so my clients can track their orders - clients registration facility Registartion includes company name-company address-GSTIN-person name-contact-what he needs-kind of machine--machine name- Barcode for app *How we will update our services in future? For my work visit my link [login to view URL] example Templete [login to view URL](Freebie)