On the Mar.1st an extra-large size slewing bearing with fully independent intellectual property rights which has a 6.25 meter’s OD a weight of 14.07 ton and precision up to class P5 was born in Luoyang LYC corporation and it is successfully past the field acceptance by customer. This bearing broke the record of 6.07meters’ OD kept by the domestic largest bearing manufactured by LYC before and created a new Republic of the most of bearing once again. It marked that national bearing manufacturing technology has gone into a new level. (see photo)