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  • About Us

    PIONEER IN INNOVATIONCHANGSHA KAIYUAN INSTRUMENTS Co., Ltd.

    CKIC is the global leader in the manufacture of mechanical samplers, sample preparation equipment and analytical instruments for various applications. Established in1992, CKIC has grown to a highly successful public enterprise listed on the Chinese Stock Exchange with over 800 employees worldwide.

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    • CKIC Now Offers Free Sample Testing

      Nov23

      CKIC Now Offers Free Sample Testing!
      - Not sure which instrument is suitable for your sample - Worry about your investment on unqualified equipment - Lack of experience to perform the test according to standards Now it has an easy way to help you out: Simply send us a sample of your choice – we will perform a free and non-binding testing of your material and send you an individual test report. Utilize our extensive know-how and test our instruments with your sample!
    • 1st CHINA-PAKISTAN Coal Quality Training Seminar

      Nov11

      1st CHINA-PAKISTAN Coal Quality Training Seminar
      Recently, in Islamabad, Pakistan, local agents IMT and CKIC jointly held the 1st CHINA-PAKISTAN Coal Quality Training Seminar and CKIC Product Promotion Event. 35 delegates from 14 companies (including Cement Plant, Paper Plant, Power Plant, etc.) attended the meeting to exchange in-depth views on the development of coal quality technology and the application of CKIC products in various industry related to coal.
    • Brief Discussion on Sampling Precision

      Oct31

      Brief Discussion on Sampling Precision
      1. Precision and Accuracy a. Precision Precision refers to consistency in the independent test results under prescribed conditions. b. Accuracy Accuracy refers to the consistency between the test result and the measured true value or the conventional truth value. The figure below clearly shows the relationship between precision and accuracy. 2. Sampling Precision Sampling precision refers to the limiting value of the differences between the result of a single sampling measurement and the mean value of the same coal (same source, same property) by countless sampling (at 95% probabi

    Reliability AssuranceFrequently Asked Questions