Xuzhou CCN Machinery Co., Ltd. Is mainly engaged in design and produce machinery products. The main products are slewing bearings, used cranes. Slewing bearings' blanks of CCN are all quenched and tempered, with a hardness of up to HB220-280. The raceway adopts a special medium-frequency induction quenching machine tool, with a hardness of up to HRC55-62 and a depth greater than 5mm. The internal steel balls have all undergone a steel ball crushing test to ensure the core load. The slewing bearings produced by the company are mainly characterized by compact structure, light weight, ability to withstand axial force, radial force and tipping moment at the same time, high precision and long service life. CCN company specializes in sale of used cranes, and the brands include XCMG, Unic, Tadano, Kanglim and other well-known domestic and foreign brands. The appearance is neat and the quality is excellent. CCN will work with you to create a brilliant tomorrow!