Which manufacturer of slewing bearing is good, and the product is cost-effective?

There are many domestic manufacturers of slewing bearings, but it depends on Xuzhou, Jiangsu, where slewing bearings originated. The slewing bearings produced here are of good quality, especially Xuzhou Weber slewing bearings, which have only emerged in recent years. But because of the high cost performance, many manufacturers like to cooperate with them here in Xuzhou. The above are only personal opinions and are for reference only.