Dalian Shenglong Machinery Co., Ltd. (DSL), established in June 2005, is a manufacturer specializing in the production of crawler undercarriage components for construction and mining machinery. DSL's main products include track groups, track link assemblies, track shoes, track rollers, carrier rollers, idlers, sprockets, and sprocket segments. DSL is located at No. 36, Xinggong Street, Xijiao Industrial Park, Wafangdian, Dalian, with a covering area of 150,000 square meters and a construction area of 100,000 square meters. DSL has fixed assets of RMB 310 million, more than 1,500 employees, and more than 60 middle and senior engineering technicians. DSL has an annual production capacity of 300,000 track link assemblies, 30,000 tons of track shoes, and 1 million of wheels’ pieces.

   Dalian Shenglong Machinery Co., Ltd. has also invested heavily in R&D and innovation by integrating advanced domestic and foreign technologies. Currently, DSL has obtained more than 60 patents, including 5 invention patents and 58 utility model patents. DSL has been recognized as a High-Tech Enterprise and Dalian Enterprise Technological Center by the municipal government of Dalian; DSL has developed more than 20 series and more than 200 varieties of products with pitches ranging from 90 to 350mm and had the most complete product series, varieties, and specifications in China. DSL has provided products and services to many domestic and foreign OEM companies, such as LiuGong, XCMG, SANY, Zoomlion, Lovol, Caterpillar, Liebherr, TATA Hitachi, LISHIDE, HAITUI; DSL has exported products to more than 50 countries, such as Russia, Mongolia, and Brazil and established a large and stable market system in Europe, North and South America, Africa, and Asia.

   Dalian Shenglong Machinery Co., Ltd. has successively passed GB/T19001-2016/ISO 9001:2015 quality management system certification, GB/T24001-2016/ISO 14001:2015 environmental management system certification, GB/T28001-2011/OHSAS 18001:2007 occupational health safety management system certification, GB/T23331-2020/ISO50001:2018;RBT/119-2015 energy management system in machinery manufacturing enterprise certification and safety management production standardization certification. DSL conducts business activities in strict accordance with the implementation of the international standard quality management system and the machinery industry standard of the People's Republic of China (JB/T2602-2001) from product design, raw material procurement, product machining process, inspection and testing, packaging to sales.

   Dalian Shenglong Machinery Co., Ltd. is in a leading position within the industry in terms of production scale, manufacturing technique, management style, and quality control. Now DSL has built the largest professional manufacture base for "Undercarriage Parts" among domestic private enterprises; its production scale and popularity rank in the top tier nationwide, and DSL has been rated as an outstanding supporter for OEM giants for many consecutive years. At the same time, DSL has been rated as Dalian Famous Brand, Liaoning Province Famous Brand, National Specialized and New "Little Giant" Enterprise, and Industry Leader Champion for many consecutive years; it has achieved an annual output value of over a billion RMB, contributing to regional economic and social development.

   Dalian Shenglong Group has formed a closed-loop production system for the “Undercarriage Parts" products of construction machinery, and provides high-quality products and services to global customers with our professional dedication.