In order to select a suitable detection method and possess correct usage, Jieke made the instructors for method confirming, referring to GB / T 27404-2008, GB / T 27405-2008, Japanese Proper Evaluation for Test Method , 96/23 / EC resolutions and each detection method adopted by Jieke must be confirmed by carrying out rigorous scientific experiments. Parameter validation comprises the detection limit, linearity, accuracy, precision interior, compartment accuracy, applicability, uncertainty evaluation, repeatability limit (microorganisms), reproducibility limit (microorganisms) and the like.