Reagent kits comprising generic DNA circle, DNA primers, polymerase and buffers for use in biotechnology fields; Reagents for testing DNA and RNA sequencing, other than for medical or veterinary use; Sequencing library preparation kits comprising reagents and chemicals for sequencing DNA, RNA and proteins for scientific research purposes; Sequencing library preparation kits comprising reagents and chemicals for sequencing DNA, RNA for medical research, other than for medical or veterinary use; Chemical reagents for non-medical purposes, namely, for use in evaluating sequencing DNA, RNA and proteins for scientific research purposes; Reagents for sequencing DNA, RNA and proteins for scientific and medical research use; Diagnostic preparations for scientific or research use; Diagnostic reagents for scientific or research use