Chinese enterprises have relocated their production capacity to India, southeastAsia, Mexico, Europe and other places, and supporting equipmentmanufacturers need to meet customers' overseas service needs.The cost of sending Chinese employees overseas for a long period of time ishigh, lt is difficult to respond quickly to urgent and temporary after-sales serviceneeds.

Changes in international relations can lead to visa blockages, which can preventemployees from entering the country to provide services to their customers.