"Sansi Zongheng" is a professional independent operating company under the listed company Xintest Standard Group (stock code: 300938). It was established on December 9, 2008. It is China's leading professional service manufacturer for materials mechanics testing and testing solutions. The company integrates R&D, production, sales and service, and specializes in providing first-class testing instruments and comprehensive solutions for material testing, structural testing and finished product testing.

"Three Thinking and Long" is a high-tech enterprise, a specialized and new enterprise in Guangdong Province, a trustworthy and contract-oriented enterprise in Guangdong Province, a well-known brand in Guangdong, and a well-known brand in Shenzhen. Carrying the national major scientific instrument research and development special projects and Shenzhen innovation projects, it is a national brand test machine enterprise supported by the government. It is supported by special funds from the state and local governments. It is a technology leader in China's test machine industry.

"Sansi Zongheng" owns and applies for more than 80 invention patents, utility model patents, software copyrights, appearance patents, etc., and has 6 registered trademarks. Participated in the drafting and revision of international, domestic and industry standards.

"Sansi Zongheng" is headquartered in Shenzhen. It has two wholly-owned companies: Shenzhen factory and Shanghai factory. The company's production and R&D bases are distributed in Shenzhen, Shanghai and other regions. It has more than 20 offices and service centers in major cities in China. , provide customers with comprehensive and close services.

"San Si Zongheng" independently produces a full series of electronic universal testing machines, dynamic fatigue testing machines, electro-hydraulic servo testing machines, long-lasting creep testing machines, impact testing machines, torsion testing machines and other main mechanical testing equipment for mid-to-high-end applications. Corresponding mechanical testing solutions, and provide a variety of analysis and testing instruments and solutions such as vibration simulation analysis, structural simulation analysis, road simulation analysis, etc. The main customer groups are national defense and military industry, scientific research institutes, universities, quality supervision, commodity inspection, nuclear power, Shipbuilding and other high-end user units such as large and medium-sized enterprises and institutions.

"San Si Zongheng" has obtained ISO quality management system certification, ISO environmental management system certification, ISO occupational health management system certification, and EU CE certification. The main series of test machine measurement and control systems produced have obtained national patents and have independent intellectual property rights.

"San Si Zongheng" has more than ten senior experts and consultants in the fields of mechanics, materials, etc., and has outstanding technical collaboration and R&D innovation capabilities.

"Three Thinking" has established joint laboratory or joint research projects with more than 10 universities, research institutes and testing institutions including the Chinese Academy of Sciences, the Chinese Academy of Railways, and Central South University to carry out joint research and technical research.

"Three Thinking" uses technological innovation and product innovation as the means, product performance, quality and high-quality services as the core market competitiveness, and high-end users in the industry as the main target market to create an international first-class national test machine brand.