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.