ESTONE Technology (Hong Kong) Co., Ltd./Great Winner Industrial (Shanghai) Co., Ltd. is a professional technology company. Since its establishment, the company has been dedicated to the field of material physical property testing, committed to introducing advanced foreign physical property testing instruments, equipment, and unique technologies to provide users with a complete set of practical and comprehensive testing solutions. Our product range includes: Atomic Force Microscope - Park Atomic Force Microscope AFM Mechanical Testing Equipment - Electronic Universal Material Testing Machine, Hydraulic Universal Material Testing Machine, Dart Impact Testing Machine, Pendulum Impact Testing Machine, Friction Coefficient Meter, Vibration Table Thermal Analysis Instrument - Differential Scanning Calorimeter, Thermogravimetric Analyzer, Thermomechanical Analyzer, Dynamic Thermomechanical Analyzer, Flash Differential Scanning Calorimeter, Microscopic Thermal Table, Melting Point Instrument Balance - Various Micro Balance, Analytical Balance and Precision Balance Optical Detection Equipment - Refractometer, Polarimeter X-ray structural analysis, three-dimensional size and surface defect detection densitometer - U-shaped oscillating tube densitometer, density balance moisture meter, PH/conductivity meter - Karl Fischer moisture meter, halogen moisture meter, PH/conductivity meter - rubber industry specific testing equipment - density gradient column, thermal deformation Vicat softening point tester, melt index meter - environmental testing equipment - air particle counter, air microbial monitoring, oven, constant temperature and humidity box, high and low temperature alternating box, cold and hot shock box UV aging chamber, xenon lamp aging test chamber, salt spray corrosion test chamber color detection equipment - portable colorimeter, desktop colorimeter, non-contact colorimeter, online colorimeter, lightbox, color card water bath - high and low temperature water bath cycler viscosity, rheology - capillary viscometer, rotary viscometer, fully automatic viscometer, automatic rheometer packaging material detection equipment - various heat sealers, thermal viscosity testers, sample preparation equipment - microwave digestion system, sample punching machine, automatic notch slotting machine, various cutting knife spectra, chromatography, mass spectrometry, UV, etc. that comply with ASTM/ISO/JIS/EN standards