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      Cham has set up a strong R&D institute with nearly 100 doctors, masters and experienced engineers.

      At present, Cham has 255 patented technologies, including 45 patents for invention, 191 patents for utility model, and 19 design patents.
      The company invests 6% of the sales volume as the research and development expenditure every year.

      R&D Dept.1

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      R&D Dept.3

      R&D Dept.4

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