HONGMAO HMI Solution

HONGMAO HMI Solution

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Production Advantages

Production Advantages

Our cleanroom facility is equipped with fully automated high-speed presses, laser cutting machines, and laminating equipment. Utilising nano-coating and anti-oxidation electroplating technologies, we enhance the durability of pot sheets (achieving a service life exceeding one million cycles). This enables true end-to-end automation from raw material loading through stamping and forming to inspection and packaging, reducing human error and boosting production efficiency by 30%. Strict adherence to the ISO9001 quality management system ensures compliance with RoHS and REACH environmental standards. Equipped with visual inspection systems, elasticity testers, and 3D image measurement devices, we conduct 100% full inspection of force curves, stroke corrosion resistance, and other critical parameters. Each batch carries unique identification codes enabling full traceability throughout production, ensuring prompt issue identification and corrective action; Operating 12 automated production lines with a daily capacity of 5 million units, we support large-scale order fulfilment while also accommodating small-batch custom orders (e.g., special dimensions, non-standard configurations).

  • Salt spray test

    Salt spray testing is an environmental test that primarily employs artificially simulated salt spray conditions within a salt spray testing apparatus to evaluate the corrosion resistance of products or metallic materials.

    All metal springs undergo treatment at a temperature of 35±2°C, with a salt solution concentration of 5±1% (mass percentage), for a duration of 24±1 hours.

    Salt spray test
  • Dimension testing

    Secondary measuring machines are employed to gauge product dimensions, with measurement parameters encompassing position, concentricity, straightness, profile, roundness, and dimensions relative to reference points.

    Sampling for dimensional inspection of metal spring components is conducted every half hour.

    Dimension testing
  • Load testing

    The automatic keyboard switch load displacement curve tester undergoes load testing to ensure the conductive film of the metal spring leaf meets customer specifications.

    Random sampling of each product occurs every five minutes, with high-frequency inspection significantly enhancing product quality.

    Load testing
  • Lifespan testing

    Automatic life testing machine, which classifies and tests the lifespan of conductive films on metal domes through single-strike and simultaneous-strike tests to meet product quality requirements.

    All our metal springs are tested to exceed 1,000,000 pressure cycles, ensuring superior product quality.

    Lifespan testing
  • Salt spray test

  • Dimension testing

  • Load testing

  • Lifespan testing

Certification

The company continuously enhances its technical capabilities to deliver the most valuable products to the global market. Based on our commitment to product quality, we have established a quality management system compliant with ISO 9001, ISO 14001, CE, GPSR and other relevant regulations.

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