About Us
Hunan Yonghui Electromechanical Equipment Co., Ltd. is a high-tech enterprise focusing on the research and development of scientific testing instruments, integrating development, design, manufacturing, sales, operation and maintenance services, committed to providing precision, intelligent and reliable testing instruments and professional solutions for energy, chemical, power, materials, metallurgy and other industries.
Since its establishment, we have adhered to the core philosophy of "Precision Testing, Yonghui Protection" and the development principle of "Technology Leads the Future, Quality Earns Trust", focusing on the R&D and manufacturing of oil, coal quality, and thermal analysis testing instruments. The company boasts an experienced R&D team, advanced manufacturing processes, and a comprehensive quality management system. Through continuous technological innovation and product optimization, we have become a widely recognized provider of testing instrument solutions in the industry.
Since its establishment, we have adhered to the core philosophy of "Precision Testing, Yonghui Protection" and the development principle of "Technology Leads the Future, Quality Earns Trust", focusing on the R&D and manufacturing of oil, coal quality, and thermal analysis testing instruments. The company boasts an experienced R&D team, advanced manufacturing processes, and a comprehensive quality management system. Through continuous technological innovation and product optimization, we have become a widely recognized provider of testing instrument solutions in the industry.
Technical Advantages ＆ Service Commitment
With a professional R&D team, advanced production facilities, and stringent quality control systems, we ensure every instrument meets national standards and industry requirements. From design and manufacturing to after-sales maintenance, we maintain comprehensive quality control throughout the entire process, providing customers with:
· Professional technical consultation: provide customized solutions according to customer needs
· Perfect after-sales service: instrument installation and debugging, operation training, regular maintenance
· Reliable technical support: maintenance services, spare parts supply, software upgrades
· Continuous optimization: continuously optimize product performance based on customer feedback
· Professional technical consultation: provide customized solutions according to customer needs
· Perfect after-sales service: instrument installation and debugging, operation training, regular maintenance
· Reliable technical support: maintenance services, spare parts supply, software upgrades
· Continuous optimization: continuously optimize product performance based on customer feedback
Core Product Lines
Oil testing instrument series
Focus on petrochemical product quality control, to provide a comprehensive oil analysis solutions for the energy industry:
· Water measurement series: trace moisture tester, accurately detect the trace moisture content of oil products
· Viscosity measurement series: kinematic viscometer, accurate measurement of oil flow characteristics
· Physical properties determination: pour point/tilt point tester, petroleum product density tester, comprehensive evaluation of oil physical properties
· Safety performance test: open cup/closed cup flash point tester, to evaluate the safety performance of oil products
· Chemical properties analysis: oil acid value tester, detect the change of oil acidity and alkalinity
· Special testing of insulating oil: dielectric loss tester of insulating oil, dielectric strength and voltage tester of insulating oil, to ensure the insulation performance of oil used in electrical equipment
Focus on petrochemical product quality control, to provide a comprehensive oil analysis solutions for the energy industry:
· Water measurement series: trace moisture tester, accurately detect the trace moisture content of oil products
· Viscosity measurement series: kinematic viscometer, accurate measurement of oil flow characteristics
· Physical properties determination: pour point/tilt point tester, petroleum product density tester, comprehensive evaluation of oil physical properties
· Safety performance test: open cup/closed cup flash point tester, to evaluate the safety performance of oil products
· Chemical properties analysis: oil acid value tester, detect the change of oil acidity and alkalinity
· Special testing of insulating oil: dielectric loss tester of insulating oil, dielectric strength and voltage tester of insulating oil, to ensure the insulation performance of oil used in electrical equipment
Series of coal quality analysis instruments
Provide professional and efficient coal quality testing solutions for coal, power and metallurgy industries:
· Heat value analysis: automatic calorimeter, accurate measurement of coal calorific value
· Elemental analysis: sulfur content analyzer, hydrocarbon and nitrogen element analyzer, comprehensive analysis of coal chemical composition
· Sample preparation: grinding and sampling machine, crusher, standard coal sample preparation and treatment
· Comprehensive characteristic detection: muffle furnace ash volatilization tester, moisture determination instrument series, to determine the ash content, volatile content and moisture content of coal
· Coking performance evaluation: coking index tester, evaluation of coal coking characteristics
Thermal analysis instrument series
Provide professional thermal characteristic analysis tools for material science research and quality control:
· Differential scanning calorimeter (DSC): accurately measure the thermal flow change and phase transition process of the material
· Thermal analysis instrument (TGA): analyze the thermal stability, component changes and thermal decomposition characteristics of materials
· Carbon black analyzer: professional detection of carbon black material characteristics, to provide technical support for rubber and plastic industry
Provide professional and efficient coal quality testing solutions for coal, power and metallurgy industries:
· Heat value analysis: automatic calorimeter, accurate measurement of coal calorific value
· Elemental analysis: sulfur content analyzer, hydrocarbon and nitrogen element analyzer, comprehensive analysis of coal chemical composition
· Sample preparation: grinding and sampling machine, crusher, standard coal sample preparation and treatment
· Comprehensive characteristic detection: muffle furnace ash volatilization tester, moisture determination instrument series, to determine the ash content, volatile content and moisture content of coal
· Coking performance evaluation: coking index tester, evaluation of coal coking characteristics
Thermal analysis instrument series
Provide professional thermal characteristic analysis tools for material science research and quality control:
· Differential scanning calorimeter (DSC): accurately measure the thermal flow change and phase transition process of the material
· Thermal analysis instrument (TGA): analyze the thermal stability, component changes and thermal decomposition characteristics of materials
· Carbon black analyzer: professional detection of carbon black material characteristics, to provide technical support for rubber and plastic industry
Corporate Development Vision
Hunan Yonghui Electromechanical Equipment Co., Ltd. remains committed to customer-centric principles and innovation-driven development, continuously enhancing product quality and service standards. As a professional leader in the testing equipment sector, we strive to create greater value for our clients, contribute to industry technological advancement, and collaborate with partners to forge a promising future for testing technologies.
Precise detection, Yonghui is with you! We look forward to cooperating with you to promote the development and application of detection technology.
Precise detection, Yonghui is with you! We look forward to cooperating with you to promote the development and application of detection technology.
