what makes HDB hub bearings so famous and where it is from?

HDB is brand of Hangzhou LIyi Bearing Co.,Ltd, who manufactures high quality wheel bearing replacement for many automakers all over the world. Our premium front wheel bearings are manufactured with high quality steel and surface finishing, premium seals, OE sensors, precision manufacturing techniques and precise assembly tolerances. Every wheel hub bearing BK31-2C300-BB is 100% tested to the actual OE specifications.