1.1 Bar Code Identification Technology + 1.2 Mobile Payment Application in China + 1.3 Automatic Sorting Technology + 1.4 Compass Navigation Satellite System of China+ 1.5 Logistics Tracking Technology + 2.1 Warehouse Packaging + 2.2 Shipping Packaging + 2.3 Sales Packaging + 3.1 Storage warehousing operations + 3.2 Warehouse in stock operations + 3.3 Warehousing Outbound operations + 4.1 Highway transportation operations + 4.2 Railway transportation operations + 4.3 Waterway transportation operations + 4.4 Air transportation operations + 4.5 Multimodal transportation operations+ 5.1 Handling Customer Complaints + 5.2 Customer Visit Reception + 5.3 Reception etiquette + 5.4 Customer Email Writing + 5.5 Customer Meeting Scheduling +