VtoolShop is a company that provides diagnostic and testing services for vehicle systems and electronics. Their ASTRA test function list shows they support manufacturers like ADT, HD7, and HD8, as well as military vehicles. For each vehicle, they can perform functions like diagnosing interfaces, reading codes, clearing codes, reading data, actuation testing, and specific functions for systems like diesel injection, ABS, EBS, and brake power support using diagnostic protocols like OBD/IVECO30.