Full-cycle Guarantee For Pre-insulated Bushings

Provide "on-site quality inspection + worry-free after-sales" services - set up a pre insulated sleeve service center in the small home appliance cluster, and dispatch engineers to assist customers in completing pre insulated junction sleeve incoming material inspection; promise "24-hour response to quality issues and replacement solutions within 48 hours", and provide "old parts recycling + technical analysis" value-added services to help customers trace the root causes of insulated joint sleeve problems and avoid repeating mistakes.