Biochemical field: biochemical instruments, medical analysis and diagnostic instruments, biopharmaceutical instruments, reagents and diagnostics, protein/peptide synthesis systems, molecular biology instruments, amino acid sequencers, DNA synthesizers, microplate readers, cell biology instruments, biochemical engineering equipment, biotechnology equipment, fermentation equipment, extraction equipment, separation equipment, filtration equipment, sterilization devices, purification equipment, detection and control equipment, liquid handling equipment, pure water equipment, cleanroom equipment, and various consumables; Analytical instruments: electronic and optical microscopes, electron probes, optical analytical instruments, mass spectrometers, spectrometers, chromatographs, spectrophotometers, electrochemical analytical instruments, X-ray analytical instruments, thermal analytical instruments, various portable instruments, surface analytical instruments, nuclear analytical instruments, elemental analytical instruments, process analytical instruments, component analytical instruments, injection analytical instruments; Laboratory equipment: various weighing scales, balances, load cells, weighing display controllers and related testing instruments, meters, components, materials, etc.; laboratory furniture, laboratory instruments and equipment, laboratory automation and accessories, optical instruments, electronic measuring instruments, multimeters, oscilloscopes, electronic probes, electronic simulation systems, single-chip development systems, image analysis and processing systems, testing instruments and devices, calibration devices, metrology and weighing systems, chemical reagents, laboratory renovation and upgrade technologies, consumables, and related software; Clinical diagnostic reagents: in vitro diagnostic reagents, rapid diagnostic reagents, electrolyte reagents, blood cell reagents, coagulation reagents, blood typing kits, lipid reagents, biochemical reagents, chemiluminescence reagents, dry chemical test strips, chlamydia, protein detection reagents, infectious disease detection reagents, tumor marker reagents, allergy diagnostic reagents, human gene detection reagents, immunohistochemistry and human tissue cell reagents, biochips, vitamin assay reagents, cell and histochemical stains, autoimmune diagnostic reagents, microbiology testing reagents, and other diagnostic reagents.