Entering SUND
Deeply engaged in
High-end sliding bearings
Market segment
The company has been deeply engaged in the high-end sliding bearing market segment, and is the only supplier in China's sliding bearing market segment with the performance of supplying nuclear power main pump bearings, the only manufacturer of high-speed self-lubricating liquid dynamic pressure sliding bearings for ships in China, the only brand in China that designs and manufactures thrust sliding bearings for thermal power projects, and the only enterprise in China that can optimize the design and accurate calculation of sliding bearings; it is one of the fastest-growing professional manufacturers of sliding bearings in China, and its R&D and manufacturing capabilities are at the leading level in the same industry in China.
Leader in high-precision sliding bearings for nuclear power, ships, etc. in China
The company is a professional R&D and manufacturing leader of core components for high-end equipment—high-precision dynamic pressure oil film and air film bearings. Over the years, the company has developed and produced more than 200 varieties of special sliding bearings around the key areas of national nuclear power, ships, petroleum, chemical industry, and wind power, and is a leading enterprise in the R&D and manufacturing of high-tech sliding bearings in key areas of major safety equipment such as nuclear power and ships in China.
Leader in high-precision sliding bearings for nuclear power, ships, etc. in China
The company is a professional R&D and manufacturing leader of core components for high-end equipment—high-precision dynamic pressure oil film and air film bearings. Over the years, the company has developed and produced more than 200 varieties of special sliding bearings around the key areas of national nuclear power, ships, petroleum, chemical industry, and wind power, and is a leading enterprise in the R&D and manufacturing of high-tech sliding bearings in key areas of major safety equipment such as nuclear power and ships in China.
Industry-leading design and R&D capabilities
1) Innovative R&D platform construction leads the company's high-quality development
The company has established four provincial-level R&D platforms: Hunan Provincial Enterprise Technology Center, Hunan Provincial Engineering Technology Research Center for Sliding Bearings and Rotating Machinery Fault Diagnosis, Hunan Provincial Key Laboratory for Key Components of High-end Intelligent Equipment, and a postdoctoral workstation. These platforms strongly support technological innovation and lead the company's high-quality development.
2) Stable core team, gathering high-level talents
The core technical team consists of 6 people, all with master's degrees or above, and have served the company for more than 15 years;
5 senior professionals, 1 selected for the “National Ten Thousand Talents Program”; 5 people were awarded as high-level talents, outstanding experts, and technical backbones in Xiangtan City; 1 National May 1st Labor Award winner, 1 provincial youth top 100 expert;
The backbone technical team has 15 people, including 1 doctor, 5 masters, and 9 undergraduates.This team brings together leaders in various fields, including computational analysis, product design, process design, experimental design, and mechanical equipment fault diagnosis;
In 2018, it was rated as the High-end Equipment Bearing Innovation and Entrepreneurship Team by the Hunan Provincial Organization Department; In 2021, it was awarded as an outstanding innovation and entrepreneurship team of industrial science and technology leaders.
3) Possessing an internationally renowned expert advisory team
Cooperation with well-known universities and institutions at home and abroad: Xi'an Jiaotong University, Hunan University, Xiangtan University, Texas A&M University, BRG Company, and ETI Company in the United States, etc.;
Close and long-term cooperation with well-known bearing design and application experts at home and abroad.
4) National standard setter, outstanding innovative achievements
From 2017 to the present, SUND Technology has presided over and participated in the formulation of 13 national standards, of which 5 were presided over and participated in from 2018 to 2020 (already announced). It involves sliding bearings used in nuclear power, wind power, petrochemicals, hydropower, metallurgy, and mining. It also marks that our company has an irreplaceable position in the industry, expanding brand influence and establishing the image of a “leader” in industry standards.
Around sliding bearings, especially special bearings for nuclear power, ships, and wind power, we have more than 150 patents in key technical fields such as bearing design, material technology, core equipment, automatic control, and inspection and testing.
Internationally advanced product level
A number of sliding bearing products with internationally advanced levels have been successfully developed
2024-2008
In 2008, the first nuclear power sliding bearing passed the appraisal of the China Machinery Industry Federation;
In 2010, the development of thrust sliding bearings for large vertical mill reducers was successful;
In 2015, the first set of 600MW power generation steam turbine sliding bearings was delivered;
In 2016, the first set of nuclear power plant main coolant pump bearings officially operated in the Pakistan C3 project;
In 2017, the first set of 100KW ultra-high-speed micro gas turbine bearings was successfully delivered to customers for testing;
In 2018, the CGN “Hualong One” main pump bearing completed a 500h test, and the appraisal result by the China Machinery Industry Federation was that it filled the domestic gap and had international leading technology;
In 2018, the first 100KW air-suspended ultra-high-speed motor was trial-produced;
In 2019, the prototype of the fourth-generation nuclear main pump sodium pump sliding bearing was successfully trial-produced;
In 2019, the first 200kW oil-lubricated ultra-high-speed permanent magnet motor was successfully trial-produced;
In 2020, the development of 300MW F-class gas turbine sliding bearings was successful;
In 2020, the development of high-speed, high-temperature, heavy-load PEEK thrust bearings was successful;
In 2023, the development of Hualong series nuclear main pump bearings for pressurized water reactor nuclear power plants was successful;
In 2024, the development of Hualong One reactor coolant pump thrust bearings was successful;
Advanced manufacturing capabilities and a complete management system
The company's products have high technological content, advanced equipment and processes, and a perfect management system. It has professional development advantages in the segmented market and strong market competitiveness; the exquisite nature of the products, the profoundness of the process technology, and the refined management of the enterprise, the innovation and advancement of products (technology), have high technological content, high added value, and significant economic and social benefits. It is a national key “specialized, refined, and new” small giant enterprise.
The company's bearing products are all made by centrifugal casting using fully CNC casting machines, and are processed in temperature-controlled and humidity-controlled workshops using advanced CNC machining equipment such as five-axis linkage horizontal machining centers, vertical machining centers, and high-precision CNC grinding machines. The products use high-precision three-coordinate measuring instruments and special measuring equipment to complete the detection of key product dimensions. The ISO9001, ISO14001, and OHSAS18001 systems are fully implemented throughout the entire product realization process, including product design and manufacturing, and can meet the most stringent requirements of nuclear power standards and specifications.
Globally leading testing capabilities
The company has a complete bearing performance testing platform, focusing on product reliability testing and application technology research. It can test the dynamic and static characteristic parameters of products. This includes 7 sets of internationally advanced bearing performance testing platforms, which can conduct full-size and full-condition tests according to customer needs; more than 10 sets of various basic research testing platforms can conduct seal negative pressure tests, start-stop wear tests, cooler heat exchange performance tests, and insulated end cap grease tests, etc.
The company has also independently developed a ship horizontal bearing testing platform, a nuclear main pump vertical thrust bearing testing platform, and a bearing seal testing platform, etc.
Fast Service and Professional Application Technology Solution Capability
Fast Delivery Capability
Adopt order-based and stocking-based
Production combined mode
Adopt standardized and modular design,
Common materials are prepared with raw materials, semi-finished products, and finished products;
Sign agreements with strategic customers,
Adopt a stocking production mode;
Standard type, regular products use
Dedicated production mode;
Urgent orders
“Green Channel” rapid response
Professional Application Technology Solution Capability
The company has a team of more than 10 people with rich experience in quickly solving product problems. It has service points or regional service representatives in the United States, South Korea, Germany, India, and Taiwan, and can provide customers with 7X24-hour rapid response and service.
Product Service You Need, I Supply
The company specializes in the distribution and application technology services of SKF and FESTO components and other transmission products. It is the largest authorized distributor and maintenance technology partner of SKF in Hunan, a partner in special industries (railway industry), and a distributor of product platforms (lubrication systems). It is also the authorized distributor of FESTO's valve islands, cylinders, and other series of products in Hunan.
Technical Service You Need, I Can
Technical services in many aspects, including machine equipment status monitoring, rotating machinery fault diagnosis, rolling bearing selection and installation and disassembly, rolling bearing failure analysis, automatic lubrication system design and application, and transmission system upgrading and transformation, help solve equipment transmission problems. The company's professional technical service team of more than 10 people is at your service.
Warehousing Service You Need, I Have
Arrange customer specialists to connect with foreign original factories, dynamically grasp the real-time logistics situation, connect with the SKF Shanghai Waigaoqiao bonded warehouse, use SAP system management tools to implement inventory management, and have a readily available inventory of more than 30 million and more than 2,000 product models to serve customers.
In the field of national major safety equipment bearings
Outstanding competitive advantages in the field of national major safety equipment bearings
Outstanding competitive advantages
Has outstanding performance advantages in applications for major safety equipment such as nuclear power and ships
The company is the only company in China with the official operation performance of nuclear power plant reactor coolant main pump bearings in nuclear power plants (Pakistan C3/C4 projects). It is a national manufacturer of ship power propulsion system sliding bearings, representing the highest level in China today, and its product performance advantages are outstanding.
Internationally renowned brand recognition
The company's sliding bearing products are global suppliers to internationally renowned brands such as Atlas Copco, Ingersoll Rand, GE, Sulzer, ABB, Siemens Energy, Alstom, Hyundai, Andritz, and L&T.
Outstanding advantages in replacing imports
As a replacement for imported high-end sliding bearings in China, the company's products are widely used by industry leaders such as Hangzhou Turbine Service Co., Ltd. and Atlas Copco (Wuxi) Compressor Co., Ltd.