Changsha Lianli

Changsha Lianli Industrial Co., Ltd. was founded in August 1997, with registered capital of 40 million yuan, unified social credit code 9***********39621B, and legal representative Li Zhongfu. The company is located in Wangcheng District, Changsha City, Hunan Province, specializing in the production of professional and civil high-precision machined parts and medium-to-large steel structure parts, with a designed production capacity of 1.3 billion yuan. It covers an area of more than 100,000 square meters, with a factory building area of more than 70,000 square meters, including production workshops, warehouses, laboratories, offices, etc. It has more than 800 sets of various large and medium-sized general mechanical processing equipment, including machining centers, vertical lathes, CNC milling machines, CNC lathes, slotting machines, gear hobbing machines, CNC gear shaping machines, gear grinding machines, high-frequency quenching machines, box-type quenching furnaces, pit-type carburizing and quenching furnaces, nitriding furnaces, plasma cutting machines, shearing machines, bending machines, welding robots, automatic powder coating lines, etc. It also has more than 400 sets of measuring equipment, including magnetic particle flaw detectors, normal line micrometers, laser line projectors, involute spline plug gauges, digital display micrometers, vernier calipers, outer diameter micrometers, thread plug gauges, spline ring gauges, gear base pitch measuring instruments, etc. It currently has more than 300 employees, including 22 professional and technical personnel, 46 management personnel, more than 300 skilled workers, 1 person with a master's degree, more than 30 people with a bachelor's degree, and more than 80% of the professional and technical personnel have a college degree or above. It has a high-level R&D team composed of engineers with rich experience in the domestic technical field, and most of the technical personnel have more than ten years of background in the machinery industry. The company adheres to the development strategy of independent research and development and technology, establishes and improves scientific research mechanisms, optimizes the technical team, and enhances technical capabilities. It has 1 invention patent and more than 30 utility model patents. The company adheres to the business policy of "surviving by quality, developing by innovation, gaining reputation by service, and seeking benefits by management", and provides supporting services for rail transit, new energy equipment, environmental equipment, high-end machine tools, construction machinery, auto parts and other industries. Its main products with independent intellectual property rights include: air compressors, centerless lathes, bag filters, etc.; mechanical parts processing mainly includes: gearboxes, gear boxes, oil pumps, gears, shafts, discs, valve blocks, rod end covers, etc.; medium-to-large structural parts mainly include: shield machine rear supporting equipment, mixing stations, sanitation vehicle boxes, outriggers, standard sections, formwork tables, etc. Main customers: Sany Group, CRRC Group, Sunward Intelligent, China Railway Construction, BAIC Foton and other well-known large enterprises. In 2002, it obtained the ISO9001 quality management system certificate. In 2013, it obtained the ISO14001:2004 environmental management system certification certificate issued by the China Quality Certification Center. In 2013, it obtained the Hunan Province High-tech Enterprise Certificate. In January 2019, it obtained the quality management system certificate, and in December 2019, it obtained the scientific research and production unit qualification certificate. While continuously maintaining the stable production of existing products and production lines, the company actively promotes intelligent transformation, improves the efficiency of CNC equipment and robots, and increases investment in new products and new equipment; adjusts production line settings and process layout, and establishes dedicated production lines oriented to customer products; continuously promotes informatization and standardized management, launches production electronic kanbans, promotes online sales platforms, implements network DNC, connects workshop equipment, shares data in real time, and continuously improves product quality and management level. Adhering to "information-driven Lianli", it has implemented the ERP system since 2006, and has achieved seamless integration among ERP, OA, HR, and barcode systems, constructing an integrated information management platform. Driven by the four major themes of "industrialization, specialization, standardization, and informatization", Lianli advances and strives to achieve a first-class industrial manufacturing and service enterprise.