What are you looking for? A supplier, a partner or a friend?
Are you looking for a reliable supplier? Are you looking for a cooperation partner?
A supplier would provide you with all goods that you want to purchase at the price you are satisfied with. But a parterner not only do that but also give you practical advises and suggetions.A partner is similar with a friend in some ways. So the best way is to find a reliable supplier, later make your suplier your partner and finally make the partner-relationship further and more close to become friends. You could turn to them whenever you have any question. They will put themselves in your shoes and think for you. They will stand by your side and face difficulties together with you. They will try their best and come up with good idea for you to solve the problem. They will always accompany you and see you through both good time and bad time.