seyed vahid najafi , the head of the after-sales service association. follow-up issues.the name of god, in the name of god, in the name of your excellency, in the presence of the studio , dear viewers of your program , i offer my greetings, politeness and respect, and i congratulate you on the holidays . in any case, you know that whenever an industry grows and excels it needs institution building and it is one of the most important tools. the prerequisites for the growth and excellence of any industry is institutionalization between the activists of that industry and that economy. in this regard, as he said, the iranian sales service association was formed at the end of last year after a lot of efforts and pursuits . associations are the link between the private sector, the public sector and the governing sector, which can play a role in aligning and creating convergence between economic actors and influential factors in that industry. yes, earlier now any product group or several product groups attractively. for themselves, in fact, they have an association , they have