Maintaining service and quality are both important,most of our customers have a long term cooperation is base on the maintaining service and quality of the machines.if the budget is not big difference, 99% of the visitor will choose our machines and our service.We cooperated with Unilever since 2012 and Kimberly Clark since 2020.Any liquid filling equipments need maintaining, no matter what is the quality level or brand, Npack offer maintainging service, instructions.