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 res