The connector industry faces challenges of high precision requirements, small batches, diverse varieties, and tight delivery schedules, and digitalization has become the key to breakthrough: Digital Production: IoT + MES enable equipment monitoring and intelligent scheduling, improving efficiency by 20%–40%. Digital Quality Inspection: AI vision + automated inspection achieve 100% full inspection, reducing human error. Digital R&D: Simulation modeling shortens cycles and quickly responds to customization needs. Digital Traceability: Full-lifecycle coding meets compliance requirements in automotive and medical industries. Dongguan Jingcheng Industrial has completed the construction of four major systems: digital production, inspection, R&D, and operations. It empowers precision connector manufacturing through digital-intelligent transformation, providing practical references for industry upgrading