Company profile Wafangdian Kaivi Fine Bearing Manufacturing Co., Ltd located in the No.2677 Diamond Street, Wafangdian City, Liaoning Province, now has its own capital assets 150 million in RMB and more than 600 existing stuff, among which 40 are senior engineers. With nearly 20 years of professional manufacturing histroy trademarked WHZ, the company has the first-class production equipments and measuring instruments, therefore a firm output is to be ensured for the 0-9 types of bearing products with the precision grade P2, UP, P4, SP, P5 and inner diameter ranging from 50mm to 3000mm as well as other high precison special bearings. Now its leading products are the high precision YRT series rotary table bearings and high precision machine tool spindle bearings. The company has been awarded “Quality trustworthy organization”, “Symbol enterprise in adopting international standard”, “Measurement qualitfication enterprise”.,etc issued by the technology supervision bureau of Liaoning province; “Quality and credibility guranteed enterprise”, “Liaoning province well-known AAA grade credit enterprise”, “Marking enterprise in adopting international standard”, “China AAA grade credit enterprise”.,etc issued by the quality supervision&inspection office of Liaoning province. Our products are widely used in machine tools, petroleum, chemical industry, metallurgy, mining, machinery and other areas. The company has been providing the supporting co-operation for “Wuhan Heavy Machine Tool Group Co.,Ltd”, “Shenyang No. 1 Machine Tool Works”, “Wuhan Chifeng Machine tool Co., Ltd”, “Anyang Machine tool Works”, “Qiqihar Heavy CNC Equipmment Co., Ltd”, “Shanghai Heavy Duty Machine Tool Works Co., Ltd”, “Shanghai Jiangning Machine Tool Works”, “Qinghai Huading Heavy-duty Machine Tool Co., Ltd”, “Changsha Jinling Machine Tool Co., Ltd”, “Baoji Machine Tool Group Co., Ltd”, “Tianshui Spark Machine Tool Co., Ltd”.,etc and has achieved successfully the replacement of foreign products. The company has become one of the key suporting basis for domestic machine tool industry and awarded the title of excellent supplier by many supporting enterprises. Coupled with a sales volumn of 120 million in RMB in domestic market , the products have been selling far to EU, The United States, Middle east, Asia and many other countries and areas. Vision and mission 1. Vision: To provide the high precision and high rotating speed bearings which are in line with the global technical standard and the market demands ; striving to be a widely accepted professional bearing supplier.. 2. Mission: To create new profit space for customers and make the "China brand" grow into "world famous brand" by providing customers with the most advanced, high-precision, high rotating speed bearing products and honest, worry-free personalized services. Product description: High precision cylindrical roller bearings. 1. N, NU, NJ, NF and NUP series with precsion grade P2, UP, P4, SP, P5 and inner diameter ranging from 50mm to 3000mm. 2. NN, NNU series with precision grade P2, UP, P4, SP, P5 and inner diameter ranging from 50mm to 3000mm. 3. other cylindrical bearings with precision P2 to P5 and inner diameter ranging from 50mm to 3000mm. High precision tapered roller bearings: 1. 30000, 350000, 370000, 870000 series with precision grade P2, UP, P4, SP, P5 and inner diameter ranging from 50mm to 3000mm. 2. other tapered roller bearings with precision grade P2 to P5 and inner diameter ranging from 50mm to 3000mm. High precision double direction thrust angular contact ball bearings: 1. 234400, 234700, 234900 series with precision grade P2, UP, P4, SP, P5 and inner diameter ranging from 50mm to 3000mm. 2. other double direction thrust angular contact ball bearings with precision grade P2 to P5 and inner diameter ranging from 50mm to 3000mm High precision angular contact ball bearings: 1. 7000, 7200, 7300, 7400, 71000 series with precision grade P2, UP, P4, SP, P5 and inner diameter ranging from 50mm to 3000mm. 2. other angular contact ball bearings with precision grade P2 to P5 and inner diameter ranging from 50mm to 3000mm. High precision thrust bearings: 1. 50000, 80000 series with precision grade P2, UP, P4, SP, P5 and inner diameter ranging from 50mm to 3000mm. 2. other thrust bearings with precision grade P2 to P5 and inner diameter ranging from 50mm to 3000mm. High precision deep groove ball bearings: Deep groove ball sereis with precision grade P2, UP, P4, SP, P5 and inner diameter ranging from 50mm to 3000mm. High precision special bearings: 1. YRT series with precision grade P2, UP, P4 and inner diameter ranging from 50mm to 3000mm. 2. Crossed roller bearings with precision grade P2, UP, P4, SP, P5 and inner diameter ranging from 50mm to 3000mm. 3. Slewing bearings with precision grade P2, UP, P4, SP, P5 and inner diameter ranging from 50mm to 3000mm. 4. Large and other special types of bearings with precision grade P2, UP, P4, SP and P5. Leading products introduction： YRT bearing supplement: The company's YRT series rotary table bearings are being produced by adapting the INA standard and the liquid nitrogen cryogenic treatment. Machine tool spindle beairngs:: The company’s standard and non-standard specific precision machine tool bearings are widely used in all kinds of high rotating speed machine tools, CNC and maching centers.,etc. such as the cylindrical roller bearings, tapered roller bearings, double direction thrust angular contact ball bearings, thrust ball bearings, angular contact ball bearings, multi-connected matached angular contact ball bearings and radial ball bearings with the precsion grade P2, UP, P4, SP, P5 and inner diameter above 50mm, outer diameter within 3000mm. Special bearings and its applications: 1. High precision slewing bearings, mainly used in the robots, wind energy and medical CT instruments. 2. High precision YRT series rotary table bearings, mainly used in the high precision rotary tables, chucks, milling heads as well as other bearing arrangements for test and measurement. 3. High precision motor bearings, high precision supporting deep groove ball bearings and cylindrical roller bearings. 4. Angular contact ball bearings and matached angular contact ball bearings supporting for spindle units in CNS lathes, precision grinders, boring mills and other maching centers. 5. High precision eccentric composite bearings used in the printing machinery industry, such as the six-color, four-color and two-color printing presses. 6. Precision rolling mill bearings, precision mining machinery bearings, such as the bearings for rolling the precision metal sheets. Quality policy and its principles. 1. Strictly follow the PDCA control process, and establish the primacy of the customers’ standard. Inside the factory, the next procedure is the user, and outside, the customers’ need is the instruction. 2. By constantly improving the product quality and technology standard and providing the worry-free and reliable bearings to meet your need, then stable the relationship of long term cooperation. Technology developing: To meet the growing world demand for bearings, the company is always doing her best to improve its capabilities of technology service and its availability to the target markets. Fundamental theory design and its analysis: We have the top-ranking bearing design technology including the design theory, design softwares, test technique, and the methods for test, inspect and bearingfailure analysis.,etc and further to take the shape of the internal technology by refining the micro quality. Bearing-ralated technology research: The company has the power to research and develop the comprehensive bearing-related technology, further to provide the guidance by analysing lubrication, antirust, noise, bearingfailure and other bearing-related design, production and application, Annual production capability The company has developed a strong research and production capacity. The critical technical indicators of the products are the same level with the world famous brands. Yearly production capability: 15000 sets high precision bearings