Pre-sale service is a series of services that enterprises carry out to stimulate customers' desire to buy before they contact products. The main purpose of pre-sales service is to assist customers to do a good job in engineering planning and system demand analysis, so that our products can meet the needs of users to the maximum extent.

Pre-sales support refers to the pre-sales service support provided by pre-sales consultants; "Pre-sales consultants" refer to engineers and professionals who complete pre-sales services in an orderly and strategic manner.

Pre-sales service is a series of services and transaction execution provided to support the sales activities of the project in the pre-sales stage, that is, before signing the sales contract, including consulting service and transaction execution, customer demand analysis, problem and pain point diagnosis, business scenario analysis and process optimization, solution design, etc. And communication service and transaction execution.