Out of the concept of Total Quality Management (TQM) which is a company-wide systems approach to quality, has come a new way of perceiving the relationship between supplier and purchaser.
Nje ya dhana ya Jumla ya Usimamizi (TQM) ambayo ni kampuni nzima mifumo mbinu ya ubora, imefika njia mpya ya alitambua uhusiano kati ya muuzaji na mnunuzi.