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Quality Guarantee： The target of WRT is to provide for our customers only high-quality bearings and on-time services, we hereby assure you that the quality of bearings we supplied will be as good as ZWZ, UBC and other top brands in China. If there is any quality problems accrued due to our side, we will replace the bearings free charge including transportation cost for customers. Understanding the importance of a Quality Management System, WRT has undertaken ISO 9001-2000 certification. This quality bearing control covers all department of company from purchasing and production to sales and shipping. Our strong quality management processes has helped us attain cost savings, driving improved efficiency and productivity, reduce waste, inappropriate or rejected work and fewer complaints and more customer orders being directly met consistently on time and to the correct specifications..
We have all the necessary fittings for hot and cold processing, turning, grinding and inspecting with a high precision. In the past few years, we are continually updating our manufacturing equipments and processes, so as to be capable of supporting our customers with bearing design, modern manufacturing processes, inspection, bearing life testing and application engineering services.
Our quality Bearings are according to ISO standards & Tolerances are of normal class Po (ABEC) Bearing clearances are normal clearance. (But upon specific requirement we can produce C2, C3 or C4 clearance bearings.) - Inner Diameter, Outer Diameter, Width, Roundness, Run outs, Radial Clearance, Face Parallelism all are as per ISO. (International Standard Organization).
Chemical composition analysis of raw material is done before forging of each batch. Microstructure & HRC is checked after annealing & heat treatment. Ra value of each batch is checked at grinding stage. 100% inspection of ID, OD, Width, Radial Clearance. 
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Quality 
