Cause these charges are the buyers’ responsibility. Displayed in the pull box. Hope you understand, thanks! After received the items and in the event of an issue arising, please send us messages within 3Days of receipt. HK AFFINITY UNITED DEVELOPMENT CO. We have specilized in all kinds of PLC/CNC products for more than 14 years. We are willing to provide the good service, professional technology and excellent products to you. We will give you a exact reply within 24hours.