Built for Quality

At Long Yi Precision Industry Co., Ltd., we are committed to delivering reliable, precise, and consistent quality. Our quality management system is certified to ISO 9001, ensuring that every step from manufacturing to inspection adheres to international standards.

We operate a dedicated quality control lab equipped with advanced inspection instruments to ensure high dimensional accuracy, surface finish, and tight tolerances. Our rigorous inspection process guarantees stable product quality that meets the strict demands of global clients.

Key Inspection Equipment Includes:

  • 2.5D Vision Measuring Machine (Projector Type)

  • Vernier Calipers (Traditional / Digital)

  • Micrometers (Traditional / Digital)

  • Various Gauges

  • Surface Roughness Tester

  • Depth Gauges

  • Height Gauges

  • Granite Surface Plate

  • Linear Scale Measurement System

  • Certified Gauge Standards

At Long Yi, we believe quality is the foundation of long-term success. We continuously enhance our inspection capabilities and process control to ensure world-class precision for every part we deliver.

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