Build me a ERP app

We have a Lab wherein we are doing testing of different type of construction material. Three User ([login to view URL]) should be able to use this application. A login page(For existing customer) with Registration(For new/first time customer) for customer and For different type of products we are doing different (Total 8) test, there are possibility that customer may request, (1) for Product 1 he want to conduct three test and (2)for product 2 he may wants to conduct all 8 tests. App must display relevant cost for all selected Test. Once end customer select his Product and relevant test for his selected product, all entered information should displayed on Review/Confirmation page. Once customer click on Confirm/Submit button on Confirmation page, the selected testing would be started at Lab. On this page along with Confirm button Edit button is also expected so that customer can change his selected criteria of Product and Tests. Note:- Reports Page details:- Thee would be all possible permutation and combination supported for the test results based on the selected Product and relevant tests. Once all the selected test are finished at lab,the output i.e. Reports (Test Results) of the lab will be converted into user expected (three form) PDF,Excel and Word.