For long-term distributors, our technician can do periodical visit so we can help you resolve some difficult problems, in this period, we can give you and your customers training free of charge. It is very good for our distributors to sell our machines. Also, we are sure to protect the market for our distributors to ensure their profits in order to build a long and mutual-benefit business relationship.For end users, we also provide a free -charge installation and training for the big machine to ensure they can use the machine very professionally.