Xuzhou Tianlong Slewing Bearing Co., Ltd. is located in the Tangzhang Industrial Park, Chengnan Economic and Technological Development Zone, Xuzhou City, which is known as the thoroughfare connecting five provinces at the junction of Jiangsu, Shandong, Henan, and Anhui. It is a professional company specializing in the production of various high, medium, and low-pressure hydraulic cylinders and traditional products in East China. The company's product structure is innovative and comprehensive, with its main products being the TOY series of jacking systems for self-elevating tower cranes. Among them, nine types of jacking systems for TQY20-1200TM and 50-420 cylinders can be designed and manufactured according to user requirements. The types of hydraulic cylinders include double-acting single-rod cylinders, double-acting double-rod cylinders, double-acting multi-stage sleeve cylinders, single-acting piston cylinders, etc. Various construction machinery cylinders; 8T-500T truck crane cylinders, multi-stage cylinders for dump trucks, luffing cylinders, horizontal cylinders, outrigger cylinders, boom cylinders; pile driving machine cylinders, pile pressing cylinders,