Let's put it this way. Generally speaking, it is the human resources department that is responsible for employee welfare. Of course, some large enterprises have special purchasing departments, but generally speaking, at least the human resources manager should be responsible, and you can also find the human resources director. If the company is small, then go to the company's vice president or boss!

Actually, I don't really recommend you to go door-to-door to sell. Although this method is more training, it is too inefficient in screening customers! I suggest that you can conduct telemarketing first, find the same people above, and then sell directly! In addition, you can also consider the marketing manager of each company. If you give gifts to customers, they also have a say!

I hope I can help you.