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1. WELCOMETO WD-BEARING.COM

2. About Us… • Founded in August of 2000, WD is a technology-oriented group, specialized in R&D, manufacturing, sales and service of high quality bearings. • In order to make WD as a symbol of quality, we invested a lot in advanced CNC equipments and the complete set of precision inspection devices, committed ourselves to building a high quality employee team and brought in advanced technique of manufacturing and management from USA, Germany and Italy. We have strictly implemented ISO 9001 and 14001, as our respect to quality control and environment protection. • Our precision and customized bearings are mainly supplied to OEM customers in many industries, such as gearbox, electric motor, construction machinery, material handling equipment and steel mills, etc.. In the meantime, our complete supply chain makes it possible to supply customer almost full range of standard bearings from I.D 2.5mm up to O.D 6000mm.

3. Products Cylindrical Roller Bearings WD cylindrical roller bearings have many designs, dimension series and sizes. The majority is single row bearings with a cage. TaperedRoller Bearings WD tapered roller bearings are produced by WD in many designs and sizes to match their many uses.These can be Combined Bearings WD Combined Bearings are particularly suitable for truck lift columns and all other shifting and convying systems requiring .

4. Deep Groove Ball Bearings WD precision deep groove ball bearings are designed for high precision, low noise, small vibration, high reliability and Customized Bearings Special requirements need customized solutions to meet the market needs. For this reason, WD Bearing Cam Followers WD Cam Followers are essentially needle or cylindrical rollers or ball bearings，which have a thick- walled outer race.

5. Industrial Solution Bearing Applications • Automobile • Construction Machinery • Electric Motors • Gearbox • Iron & Steel Industry • Material Handling Sysstem

6. Automobile Automobile Alternator Application: Automobile AlternatorTypical Product: WD Precision Deep Groove Ball BearingsAlternators are used in modern automobiles to charge the battery and to power the electrical system when its engine is running. Automobile Gearbox Application: Automobile GearboxTypical Product: WD Precision Cylindrical Roller Bearings WD Precision Tapered Roller BearingsThe gearbox is one of the most important parts in an automobile. Automobile Transmission Application: Automobile TransmissionTypical Product: WD RN Series Cylindrical Roller BearingsThe automobile transmission is one of the most important parts in a vehicle.

7. ConstructionMachinery Bulldozer The bulldozer is a crawler tracked tractor, equipped with a substantial metal plate used to push large quantities of soil, sand and etc. Bulldozers can be found on a wide range of small scale and large construction sites, mines and quarries, military bases, heavy industry factories, and large governmental and public Engineering projects as well as farming. Excavating Machinery Excavators also named excavating machinery are used in excavating the materials that higher or lower than the levels, and transporting the materials to the stock yard. Loader Loader is widely used in road construction,railway construction port construction ，mining construction and etc. The loading machinery has high efficiency on scraping the bulk materials and is easily controlled.

8. Electric Motors Asynchronous Electric Motor Asynchronous electric motors, with compact design, low maintenance and initial cost, are widely applied in driving machine tool, pump, fan and mining machinery, and they are especially used in electric fans, refrigerator, air-conditioning and other Household Electric Appliance. Industrial DC Motor Industrial DC motor is an electric motor that runs on direct current (DC) electricity. By far the most common DC motor types are the brushed and brush less types, which use internal and external commutation respectively to create an oscillating AC current from the DC source. Large Electric Motor Large Electric Motor is an automatic device that uses error- sensing feedback to correct the performance of a mechanism. The term correctly applies only to systems where the feedback or error-correction signals help control mechanical position or other parameters.

9. Gearbox Bevel Gears Bevel gears are gears where the axes of the two shafts intersect and the tooth-bearing faces of the gears themselves are conically shaped. Bevel gears are most often mounted on shafts that are 90 degrees apart, but can be designed to work at other angles as well. General Gearboxes Transmission or gearbox are widely applied in Mechanical Transmission, wind turbines, and also used in agricultural, industrial, construction, mining and automotive equipments. Industrial Gearboxes Heavy duty Gearboxes are widely used in Packing machinery for printing industry, Mechanical transmission, Iron and steel industry, Rolling steel machinery, Construction machinery and some other high torque situations.

10. Iron And Steel Industry Continuous Casting The continuous casting machine is widely used in drawing slabs during the series process of steel making. Composed of ladle turret, mold oscillator, foot rolls and bender and guiding rolls etc., the continuous casting machine protect the liquid metal oxidized by the harmful gas. Finished Steel Products The seamless pipes are made from round billets by tapered- roller perforating machines. Through hot rolling mill or cold rolling mill, the round billets are cut into a certain length. Steel Making Pig iron and scrap steel are turned into steel in the process of converters. The converters are tilting by the help of trunnion and bull gear. WD Bearing Group is specialized in providing precision and special roller bearings for our customers from steelmakers.

11. Material Handling System Lifting Equipment Lifting equipments are used to move materials over variable paths within a restricted area.The major types of lifting equipments are: jib crane，bridge crane，gantry crane， stacker crane etc. Sorting Equipment Sorting equipment is used to separate dissimilar items into predetermined groupings as part of an automated process. There are many different types of sorting machines. Storage Equipment Storage equipment is used for holding or buffering materials over a period of time. The major types of storage equipment are: block stacking, rack system, shelves, automatic storage system and mezzanine.

12. WD BEARING GROUP Headquarter: No. 100, Zhenyang Road, Jiangyin, Wuxi, P.R China,214401 Tel: +86-510-82711966 (Press 1 for English) +86-510-8279 1933 Fax: +86-510-82736388 E-mail:sales@wd-bearing.com