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Professional Manufacturer of red light therapy devices

Shenzhen Rainbow Ruiyinbo boasts 39 years of manufacturing experience and is strategically located in Shenzhen, China, conveniently situated for global product distribution. This high-tech enterprise integrates the R&D, production, and sales of phototherapy products.

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Salt Spray Testing for LED Therapy Devices — Why It Matters, How We Test, and What the Results Mean

A single drop of sweat on a charging contact is all it takes to start a galvanic corrosion process. Salt spray testing is how we find out whether the materials and coatings can survive it. Salt spray testing (also known as salt fog testing)…
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Reliability Testing for LED Therapy Devices — How We Design a Program That Predicts Field Performance

A product that passes every functional test can still fail in the field. The difference is in how we tested for time. Functional testing answers the question: does this product work correctly under nominal conditions at the moment of inspection?…
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IQC, IPQC, and FQC — Three Inspection Points, Three Different Jobs, One Quality System

A product that passes final inspection but fails in the field was not lacking a quality check. It was lacking the right quality check at the right time. Quality control is not a single event at the end of a production line. It is a sequence…
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Contact Us

  • Contact: Joyce
  • Telephone: +86 137 6030 5313
  • WhatsApp: +86 137 6030 5313
  • E-mail:Joyce@rainbowdo.com
  • No. 2, Dongwangyang Industry, Huangtian Community, Hangcheng Street, Bao'an District, Shenzhen, Guangdong, China

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