1. Ensure the quality of the equipment: scrutinize the quality of the equipment to ensure that it meets the needs and expected standards, you can check the manuals, specifications and performance of the equipment, as well as conduct the necessary trial or demonstration.
2. Confirm after-sales service: Understand the after-sales service and warranty policy of the equipment to ensure that the supplier provides the required support and services, including repair, maintenance and technical support.
3, save the relevant documents: These documents are very important for future maintenance and warranty, as well as possible return or exchange process.