YuanJi AutoTech INC and Yuanji Trading Company Limited focus on automotive electronic parts, custom PCB circuit board fabrication, software license authorization, and automotive communication data analysis for the repair and testing industry.

Our work covers authorized technical support for automotive communication protocols, including K-Line, CAN bus, LIN bus, UDS diagnostic communication, DoIP, and automotive Ethernet data analysis. We help repair businesses, professional technicians, and service providers review communication data, verify module responses, analyze protocol messages, and check data consistency during lawful repair and testing workflows.

YuanJi AutoTech INC is responsible for software authorization, technical file verification, protocol data analysis, and automotive electronic technical support. Yuanji Trading Company Limited supports product sourcing, electronic parts coordination, PCB-related work, cross-border service coordination, and customer support.

Our services include protocol data review, CAN-line communication analysis, K-Line diagnostic communication support, Ethernet/DoIP data analysis, software license authorization, module testing support, repair verification, technical file checking, and post-repair communication status review.

All products and services are intended only for lawful repair, diagnostics, testing, development, replacement, maintenance, and authorized technical analysis. We do not provide services for unlawful tampering, unauthorized access, security bypass, fraud, or any illegal purpose.