Company Introduction

   Maanshan Tongli Slewing ring Co., Ltd. was established in 2003, committed to the vision of national brand, with technology value-added through the whole value chain to provide customers with slewing ring and solutions.

   Tongli has subsidiaries of MaanShan Jingyi Engineering Machinery Co., Ltd, Bengbu Tongli Slewing Ring Co., Ltd and 4 production bases, covering 180,00㎡. Tongli not only serves many engineering and construction machinery customers represented by the "World"s Top 50 construction machinery" on a global scale, but also deeply engages in many fields such as logistics machinery, offshore equipment, environmental protection machinery, light industrial machinery, and medical equipment.

   Our company has the technical culture and tradition of emphasizing basic theoretical research, design and development, and process realization. Achievements: drafting and revising a number of industry standards, developing an intelligent analysis system for slewing rings, and compiling the slewing ring’s chapter of Hydraulic Excavator for college machinery majors. R&D of elliptical raceway slewing ring (ZL 2006 1 0039187.1), gradient hardness tooth slewing ring (ZL 2012 1 0335957.2), Gyro Turntable (ZL 201220644826.8) and other patented products that change the industry, optimize and improve the whole process and improve the quality and efficiency. The company"s production and testing equipment are mostly provided by Germany, Japan, the United States, Switzerland and domestic advanced manufacturers. In recent years, under the guidance of the ‘further step integration design’ strategy of core equipment, the company has created intelligent production lines with special efficient machine tools and industrial robots to promote the efficiency of the industry and the layout of slewing ring manufacturing 4.0+ era.