ZWZ Bearing Group Precision Roller Manufacturing Branch

Recently, ZWZ was awarded the ISO 22163 Quality Management System Silver Certificate in the European railway industry, becoming the first bearing manufacturer in China to receive this honor.   As a globally recognized authoritative certification standard in the railway industry, the ISO 22163 Quality Management System certification is an authoritative recognition of the effectiveness of ZWZ's...

On October 10th, ZWZ was awarded the European Railway Industry ISO 22163 Quality Management System Silver Certificate, becoming the first company in the domestic bearing manufacturing industry to receive this honor.   As the leading global railway industry certification standard, the ISO 22163 quality management system's Silver certification is a high level of recognition for a company's e...

Recently, news arrived from the assembly area of   the ZWZ Extra-Large Bearing Branch that four sets of four-row cylindrical roller bearings for large cement roller presses, custom-made for a key customer in Northeast China, have been successfully assembled and shipped to the user, setting a new record for the branch's production of this type of bearing.   The bearings, which will be ...

  Recently, the Law Enforcement and Inspection Bureau of the State Administration for Market Regulation held a meeting in Beijing and announced the first batch of member companies of the "Protecting Brands" government-enterprise cooperation mechanism. Wafangdian Bearing Group was successfully selected, becoming the only selected company in Liaoning Province and the only selected brand in China's b...

Recently, ZWZ and a well-known domestic steel group reached in-depth cooperation and signed a strategic agreement on the localization project of 1450 cold rolling roller bearings, successfully realizing the localization substitution of key bearings. The first batch of products delivered fully met customer needs and reached acceptance standards. About ZWZ: ZWZ mainly produce CRB,TRB and SRB roller . ...

Recently,ZWZ successfully developed the world's first ultra-large slewing bearing for 4,000-ton all-terrain cranesa core component for heavy-duty lifting. The launch of this product marks a major breakthrough for China in the field of ultra-large engineering machinery core components, elevating the country to a globally leading position. Facing the challenge of safe and efficient hoisting for larg...

  On June 27, 2025, according to the information released by the State Intellectual Property Office, a bearing-related invention patent submitted by the National Bearing Engineering Technology Research Center Co., Ltd. under the Wafangdian Bearing Group was officially disclosed. The patent name is "Integrated ball-column combination bearing and its assembly method", the publication number is CN12...

  On May 29, Wazhou Bearing Group and the Wind Power Division of CRRC Zhuzhou Research Institute successfully signed a cooperation agreement on party building activities in the conference room of Zhuzhou Research Institute. This event is a successful practice of learning and implementing General Secretary Xi Jinping's important expositions on strengthening party building and manufacturing power, ...

In 2024, market supervision departments at all levels in Gansu Province will continue to make efforts in the field of intellectual property law enforcement, continuously increase law enforcement efforts, and severely crack down on all kinds of illegal activities such as trademark infringement and counterfeit patents with a zero-tolerance attitude.   Recently, the Gansu Provincial Market Superv...

Recently, the precision motor bearing company received an urgent order from a key steel customer, which urgently needed 6,000 sets of bearings of a certain specification for the maintenance and upgrade of key production equipment.   Facing the urgent needs of customers, the company's various departments worked closely together. The supply chain management department actively communicated and ...

ZWZ mainly produce CRB TRB and SRB roller . The diameter of roller is 10mm-200mm. The annual capacity is 60 million pcs . Rollers are provided to locomotive , cargo , passenger train . Automotive gearbox , heavy truck bearing , precision machining bearing , wind power bearing , special bearing , metallurgical , mining machines bearing etc ., high - speed wire rod bearing , metro bearing and high -...

ZWZ Steel ball branch adopts first-class steel ball ultrasonic flaw detection machine, eddy current flaw detection machine, water immersion ultrasonic flaw detection machine, vibrometer, roughness meter, etc., forming a complete set of design, manufacturing, testing system. Using the leading professional grinding machine for steel ball processing in China, advanced technology and sophisticated equipment to ensure...

Since the beginning of this year, the rush to install wind power has been quietly rising, and major complete machine manufacturers are paying attention to and rushing to buy wind power bearings, which are in short supply. A well-known domestic complete machine manufacturer has started a new round of cooperation with ZWZ. and signed an order for more than 500 10MW yaw and pitch bearings with the company. ...

Acreage26400 square meters Number of employees366 People The number of equipment172 Units Production plateSix Production chnnel39 Lines3 are under construction 1.Tapered rollers LinesCH1-CH3 ProductTapered rollers Size10-55mm Annual output10 million grains Machining accuracyClass III precision ...

Steel ball annual capacity :500 tons Dia:70-90mm Capacity per month of wind power steel balls is 250 tons. The three specifications are manufactured at the same time to produce 35,000 pcs per month.If only 80mm , is produced , 80,000&...

The supporting bearings developed by ZWZ Group for the reducer of new energy off-road vehicles have been verified by customers during installation, and their performance has reached the same level as high-end bearings of internationally renowned enterprises. They have started mass production at Liaoning Bearing Company. This customer is a leading domestic enterprise in new energy motor systems, ...

On the morning of June 27th, the unveiling ceremony of the Manufacturing Process and Equipment Research and Development Center of ZWZ Group was held on the second floor of the National Large Bearing Engineering Technology Research Center. Group Chairman Liu Jun delivered a speech, and ZWZ Deputy General Manager Wang Wei interpreted the implementation plan for the career dual channel promotion of engi...

Senzimir rolling mill The production capacity of cold rolled steel strip is one of the indicators of the development level of a country's steel industry. At present, industrialized countries often use multi roll cold rolling mills to produce metal strips made of stainless steel, silicon steel, alloy steel, and other materials. The emergence of cold rolled steel strips is attributed to the patented...

On June 5th, Weihua Group held a Global Supply Chain Alliance Summit at Weihua Intelligent Industrial Park. Representatives from Fortune Global 500, China Fortune 500, and top industry suppliers gathered at Weihua to discuss development achievements, plan for development, and open a new chapter of win-win cooperation. ZWZ Group, as a long-term strategic partner of Weihua Group, was invited to at...

On June 1st, a group of over 70 internet celebrity bloggers from 11 countries and media outlets in Liaoning came to ZWZ Group to experience the power of China's intelligent manufacturing industry. Zhang Shaorui, Deputy Director of the Liaoning Provincial Party Committee Cyberspace Office, Wang Xu, Director of the Dalian Municipal Party Committee Cyberspace Office, and Yu Xiaoxia, Deputy Director...

On May 24th, the 2023 (25th) Dalian International Industrial Expo opened at the International Convention and Exhibition Center in the Dalian Free Trade Zone, marking a new chapter of cohesion, intelligence gathering, and empowerment that Dalian equipment manufacturing enterprises have long awaited. The exciting debut of ZWZ Group's bearings in wind power, rail transit, aerospace, steel metallurgy, m...

From May 10th to 14th, the 7th China Brand Day event with the theme of "Chinese Brand, World Sharing; Brand New Power, Quality New Life" was held at the Shanghai World Expo Exhibition Hall as scheduled. The 2023 China Brand Day event is co sponsored by the National Development and Reform Commission in conjunction with the Publicity Department of the Central Committee, the Ministry of Industry and Infor...

ZWZ Group continues to strengthen independent innovation. Since the beginning of this year, 38 projects have been granted national utility model patents, including "a cylindrical roller bearing", "a diaphragm pump connecting rod bearing", "a composite rotary table bearing", and "a fully loaded self-locking cylindrical roller bearing assembly fixture". As of now, the comp...

The large-scale extrusion granulator is an important equipment in the large-scale ethylene complete equipment of the petrochemical industry, and its bearings are multi row series thrust roller bearings, which are technically difficult. In recent years, ZWZ Group, located in Wafangdian City, Dalian City, Liaoning Province, has successfully developed multiple bearings for the main reduction gearbox of granulat...

On March 21, ZWZ Group and General technology Shenyang Machine Tool Co., Ltd. signed a strategic cooperation agreement. The two sides will carry out all-round strategic cooperation in the fields of technical support and services, scientific research and major projects, and write a new chapter in deepening strategic cooperation between central and local governments. Liu Jun, Chairman of ZWZ  Group, Zhang ...

At present, China's new energy vehicle industry is entering a stage of accelerated development, and new energy vehicles are selling well. ZWZ Group supplies a certain specification of bearings for a well-known automotive parts joint venture to support a new energy vehicle project. It has been in mass production since September last year and currently has a monthly demand of tens of thousands of sets. Th...

On March 25, the China Machinery Industry Federation organized and held 11 project achievement appraisal meetings in Wafangdian in the form of a combination of online and offline projects, including the "Development of Large MW Wind Power Gearbox Bearings" by ZWZ Bearing Group. (The members of the appraisal committee inspected the production site of wind power gearbox bearings.) The appraisal commi...

On March 8, ZWZ Group Shanghai R&D Center Co., Ltd., located at No. 29 and 33, Suhong Road, Minhang District, Shanghai, was officially put into operation. At 10:18, the unveiling ceremony of ZWZ Group Shanghai R&D Center Co., Ltd. was held in Hall 3 of the National Convention and Exhibition Center (Shanghai). Liu Jun, Secretary of the Party Committee and Chairman of the ZWZ Group, delivered a wel...

The 18th China International Bearing and Special Equipment Exhibition is just around the corner. Recently, ZWZ Group officially released "manufacturing more durable bearings with intelligent " as it's new mission, "common growth" as it's new values to build the brand system ,and "every corner of the world has the shadow of  zwz " as it's new vision . In this bearing exhibition, ZWZ Group will bri...

Large-scale extrusion granulator is a major key equipment in large ethylene complete equipment in petrochemical industry. Its core bearing is multi-row series thrust roller bearing, which is technically difficult. ZWZ Group has successfully developed three representative types of of Main Reduction Box Bearing for Granulator for well-known domestic manufacturers of extrusion granulators , which has solved ...

ZWZ has developed 14 MW pitch bearings for world-famous wind turbine manufacturers, which have passed the key acceptance of customers a few days ago, and have been put into production in batches, and have started to be shipped abroad in succession. It is reported that the 14 MW pitch bearing has high operating accuracy, thin mounting hole wall, large bearing size, and high requirements for machining ...

According to the Dalian Daily, the wind power bearing company of ZWZ Group recently produced two sets of spindle bearing for 4.8m shield machines, which passed the customer's on-site acceptance. The shield machine is widely used in subway, railway and other tunnel projects. The spindle bearing bears the main load during the operation of the shield machine, and is a key component of the cutter ...

Na Fu checks equipment at ZWZ, a bearings manufacturer, in Dalian, Liaoning province. JU JIATIAN/FOR CHINA DAILY For Na Fu, a senior maintenance electrician at a State-owned enterprise in Dalian, Liaoning province, her top priority is to implement and spread the spirit of the 20th National Congress of the Communist Party of China to accelerate technological growth. "The report delivered ...

From November 8 to 13, the 14th China International Aviation and Aerospace Exhibition was held in Zhuhai, where more than 60 special bearing products of ZWZ Group were displayed. In recent days, the ZWZ Group exhibition area, located in the center of the exhibition area, has attracted the attention of many people who came to communicate and negotiate. This grand event is an important measure for ...

On November 28, at the production site of ZWZ Group's super large bearing, the inner and outer sleeves of the 8 MW Spindle bearing were successfully processed and slowly entered the assembly room. The test results showed that all technical indicators met the standard requirements and passed the customer acceptance smoothly. The Spindle bearing is the core component of wind turbine, known as the...

On November 19, at the construction site of the Wind Power Spindle Bearing Project of ZWZ Group in Dalian Area of Liaoning Pilot Free Trade Zone, workers were busy in their respective work stations in an orderly manner. The wind power spindle bearing project includes 6 automatic grinding production lines and 3 heat treatment production lines. The product is positioned in the high-end market and high-en...

From November 5 to 10, the 5th China International Import Expo was held in Shanghai. At this Expo, more than 2800 enterprises from 127 countries and regions participated in the enterprise commercial exhibition, and the German KRW company of ZWZ appeared with high-end bearings such as machine tools and motors, attracting the attention of customers from machine tools, ships, motors and other industrie...

Recently, ZWZ overcame the technical difficulties in the support roll bearing of Senjimir mill of silicon steel, and the products were installed stably in the leading enterprises in the domestic steel industry, replacing imports. In November, ZWZ began to produce this bearing in batches for customers. Because of the high speed and large rolling force, the support roll bearing of Senjimir Mill of Silico...

Recently, at the production site of the newly built workshop of Liaoyang Bearing Company of ZWZ Group and on the production line of precision angular contact ball bearings, various types of new energy vehicle bearings and ball screw support bearings for precision machine tools are being processed. The production line applies intelligent data management system to collect, monitor and analyze production d...

On September 28, the planned awarding projects of the 2022 "Science and Technology Award for Machinery Industry" began to be publicized to the society, including six projects of ZWZ Group . Second prize list (1 item) List of third prize (5 items) These ZWZ Group 's projects are respectively: "Research and development and application of high load bearing...

"This is not only a breakthrough, but also a product that fills the domestic gap. The maximum power of the wind turbine supporting the bearing has reached 12 MW." Cang Shiliang, director of the Wind Power Bearing Research Institute of the Wind Power Bearing Division of the   ZWZ Group , proudly Say. The wind turbine main shaft bear...

A few days ago, the bearing supporting the main shaft developed by ZWZ Group for the 4-meter vertical lathe table was successfully produced and passed the customer's acceptance. This is the largest thrust cylindrical roller bearing produced by ZWZ Group for machine tools, with an inner diameter of 2030mm and a working line speed of 7m/s. The product design technology is leading domestically a...

Research on bearings for high-speed train bogies, development of multi-row tandem thrust roller bearings, ultra-precision manufacturing and testing technology of rolling bearings, insulating bearing technology, breakthroughs in simulation technology from static to dynamic quality, etc. In 2021, ZWZ Group focus on key points and comprehensive grade of bearings has been improved, and more than 140 kinds of beari...

Yang Xu, the presetting manager of ZWZ spherical roller bearing company, and Jiang Xiuna, the quality engineer, are a loving couple. They are college classmates. After graduation, they came to work in ZWZ together. They bought a house here, became a family, and gave birth to a baby. By default, there are few people and complicated work. Yang Xu is very busy and fulfilling every day. He has lo...

In a large bearing coal mine in Inner Mongolia in China, the working environment of the motor in the underground is relatively high. When using the grease commonly used in the market, there is often a large amount of grease leakage, which leads to high temperature rise and failure. After switching to the special grease for ZWZ motor bearings developed by ZWZ Group, the temperature rise of the bearing dropped s...

Affected by factors such as the epidemic, international shipping schedules are unstable. The entire staff of ZWZ wind power bearing company worked hard to rush the order, and it only took 15 days to complete the processing of the 4.XMW order products exported to the world-renowned wind turbine manufacturer, successfully catching up with the March shipping schedule, and ensuring the timely delivery of customers...

On August 16, the foundation stone laying ceremony of ZWZ Group 's wind power spindle  bearing project was held in ZWZ Park in Dalian Free Trade Zone. The project has a total investment of 800 million yuan in fixed assets to create a series of high-end brand inheritance products of the tile shaft, completely break the foreign market monopoly, and replace the loc...

Recently, the largest self-developed spherical roller spindle bearing for wind power in China from ZWZ Group has been successfully produced. The inner diameter of the bearing is 1180mm. It has passed the acceptance of customer samples, replaced imports and filled the domestic gap, supporting large megawatt wind turbines. According to the relevant engineers of the ZWZ Wind Pow...

With the rise of China's manufacturing industry, domestic substitution of high-end bearings is accelerating. Thanks to the upgrade of product quality and the continuous successful development of high-end bearings, since June, the production and sales of mid-to-high-end products such as wind power bearings, metallurgical bearings, and precision machine tool bearings of ZWZ Group have been booming, layi...

A few days ago, the three new heat treatment production lines of ZWZ Group Bearing Parts Branch were put into operation on schedule,   re alizing the automation, standardization and traceability of the whole process of bearing heat treatment processing  with first-class international industry standards.  The largest bearing steel heat treatment production base in Northea...

3D printing technology, also known as additive manufacturing, is an emerging manufacturing technology that builds up materials layer by layer to create physical objects based on digital models. 3D printing technology has become an important means of product research and development in various fields. Through 3D printing technology to establish a solid model, understand the coope...

The yaw ring gears supplied by ZWZ in batches for a large-scale wind turbine manufacturer have extremely strict geometric tolerances and surface roughness requirements on the mating surface. Zheng Xiaofei, the head of the process room of the Wind Power Bearing Company, and Yu Yonggang, the process engineer and the leader of the turning and grinding process, have innovated the traditional turning method and de...

"Wafangdian Bearing Group Corp., Ltd. (refered as ZWZ after) will strive to achieve 10 billion yuan in gross product within 3 years in steady steps. To fulfill this development goal, we will base upon the presence, take a long-term perspective, and make overall plans to hedge against 'uncertainty' with more 'certainty'." Liu Jun, Secretary of the Party Committee and Chairman of...

In a large bearing coal mine in Inner Mongolia in China, the working environment of the motor in the underground is relatively high. When using the grease commonly used in the market, there is often a large amount of grease leakage, which leads to high temperature rise and failure. After switching to the special grease for ZWZ motor bearings developed by ZWZ Group, the temperature rise of the bearing dropped s...

ZWZ is the birthplace of China's  bearing industry One of the high-end automotive bearing manufacturing bases of ZWZ Group, Liaoyang Branch has established a complete high-end automotive bearing processing system, with 13 domestic high-level fully automatic grinding and integrated production lines, and newly added C-MES system to achieve automation. Intelligent manufacturing is ...

Zhang Fengren,   a operations manager of the export operation area of ZWZ( Wafangdian Bearing Group Corp.,Ltd. ) high-end automobile bearing company,   said , "In the first half of the year, both export orders and domestic orders in our operation area increased significantly. The monthly orders for   single - row   tapered   bearings of ...

The Superior Quality Bearing Manufacturer of China is looking for New Distributors   Chinas well-known and largest bearing manufacturing company ZWZ Group (Wafangdian Bearing Group Corp. Ltd.) is expanding its global distributors network by announcing new distributors cooperation plan. The company is currently present in more than 100 countries and aims to increase this number in t...

Recently, Dalian City held the first "Craftsman Cup" skill competition and mass technology innovation activity summary conference. Many innovation achievements from ZWZ were awarded. ZWZ was named the "Excellent Unit of Mass Technology Innovation Work of Dalian" in 2018. As part of ZWZ's innovation development strategy, ZWZ's labor union actively organizes mass innovation and effectiveness activities, stimula...

After a period of research and development tests, the 2MW series spindle bearings developed by ZWZ for the domestic wind power industry leader have entered the mass production stage.    The design difficulty of the fan spindle bearing is that the axial force to be carried is particularly large. At the same time, due to the consideration of cost and body size, the size of the bearing is smaller than that...

ZWZ focuses on the bearing industry and highlight core technologies. In the first half of this year, Wazhou Group completed 53 patent applications, including 27 invention patents; 20 patents were granted, including 2 invention patents and 18 utility model patents. These patents are constantly replenishing the shortcomings of bearing R&D and manufacturing, and are “strong and strong” for the high-quality develo...

Bearings for two large-scale electric wheel dump trucks for Chinese well-known enterprises have been produced in the ZWZ Group recently, breaking the monopoly of foreign bearing enterprises and successfully replacing imported ones. China mining vehicle manufacturing level has reached a new level, many companies have gone abroad to compete with the world's mining vehicle giants, but the key supporting bearings...

Recently, ZWZ Group has finished a variety of specifications cement mill bearing samples for the world's largest cement equipment manufacturers, which have been sent to the customer. In September last year, the company launched a cement vertical grinding bearing project for this well-known European company. The customer is very strict in the requirements. For this reason, the project team developed detailed ...

On July 4th, the 5.0MW offshore large-scale wind power yaw pitch bearing of the ZWZ Wind Power Business Unit successfully passed the customer acceptance and began mass production off-line production. It will be hanged up in the offshore wind farm in Zhuanghe, Dalian, where wind energy resources are abundant. The Zhuanghe Wind Farm Project, which is exclusively equipped with yaw pitch beari...

A few days ago, the 16th "world brand conference" , which was sponsored by the world brand laboratory held in Beijing, released 2019 "China 500 most valuable brands" analysis report, Wazhou ZWZ brand continuous shortlisted and ranked as no. 490 in 2019 to 4.836 billion yuan, that has increased by 811 million yuan over last year. The World Bran...

Two Achievements of ZWZ Group Won the Dalian Science and Technology Progress Award  Recently The Dalian  Municipal People`s Government issued a decision on the 2018 Dalian Science and Technology Awards, which was awarded 82 results by the Dalian Science and Technology Progress Award. Among them, ZWZ Group`s "352226X2B Urban Rail Axle Box Bearing R&D and Applicatio...