success story for selling IGg Covid test

i am a sales man , and i just won for my company a one deal that it was impossible due of the many competitors i wok hard starting from end users and Head of laboratories department section , through frequents visit start as follow , client challenges , no budget and availability of Chines product that is mandatory to use , i share more that 12 studies with an open discussion also , let the customer attend 4 webinars and after that give free kits for validation and give space for internal studies and comparing between different technology after that i manage to push the end user to create a purchase order on thier system and visit the purchasing department although i was not the cheapest i won the tender