First, be familiar with the printing process; Familiar with the internal operation of the factory/company. Third, the salesman's internal and external temperament and accomplishment. With these points, it will be much easier to develop business, because salesmen with this condition have good affinity and must have a good impression on their guests. In addition, they are familiar with the operation of our company, easy to accept quotations and provide suggestions to guests, so the chances of success in business talks are much greater. Therefore, on the other hand, training new salesmen should start with professional knowledge and internal price verification.