Dinghao Machinery has a complete service system. Generally speaking, the delivery cycle starts from the date of receipt of advance payment or receipt of letters of credit. In addition, the shelf life of our corrugated cardboard machinery is one year. Within the warranty period, if the machine parts cannot be used as normal because of damage which is not caused on purpose, we will provide customers with a new set of accessories. In addition, we can offer replacement if the machine parts were found broken out of the shelf life, and the accessories and shipping costs should be paid by the buyer. We can design and manufacture the suitable cardboard production line according to the actual needs of customers and the space environment. We will also send one or two engineers abroad to arrange on-site installation and training upon request,and the round-trip ticket of each engineer, as well as the local accommodation and transportation expenses and labor costs shall be paid by the buyer.