ESTONE Technology (Hong Kong) Co., Ltd./Great Winner Industrial (Shanghai) Co., Ltd. is a professional technology company. We focus on the field of material physical property testing and are committed to introducing advanced instruments, equipment, and unique technologies from abroad to provide users with a complete set of practical and comprehensive testing solutions. At present, we have a high-quality supply chain of physical property testing products, such as Park atomic force microscope, Swiss Mettler Toledo thermal analyzer, moisture analyzer, balance, pH meter, conductivity meter, Austrian Anton Paar density meter, refractometer, polarimeter, microwave digestion instrument, rheometer, American X-Rite colorimeter and light box, British Ray Ran polymer tester and sample preparation equipment, British RDM heat sealer, German Julabo water bath and viscosity meter, German Coesfeld thermal deformation Vicat, Italian UTP Vision 3D size and surface defect visual inspection equipment, etc; Our clients span across universities, research institutes, and enterprises, covering various fields such as chemical engineering, petrochemicals, textiles, rubber, plastics, cosmetics, pharmaceuticals, electronics, and automobiles. Yisi Tong Technology takes technology as the guide and customer satisfaction as the purpose, striving to keep our customers at the forefront of technological progress forever. We firmly believe that success will be based on a platform of mutual trust, fairness, positivity, unity, loyalty, and effective communication. We have been tirelessly striving to improve the quality of our own team, making it dynamic, technically proficient, and experienced, in order to provide you with top-notch services, create greater wealth and value for you, and allow you to enjoy true win-win cooperation! Our business philosophy is always to pursue better! To Be Better Always！ Welcome friends from all walks of life to stay in touch with us and create more opportunities for cooperation.