Longji Group Co., Ltd. is a national level large-scale industrial enterprise and a provincial-level high-tech enterprise. The company was founded in 1971, covers an area of 680000 square meters, and has more than 3000 employees. The company has six subsidiaries and has nearly 50 years of professional experience in automotive parts processing and manufacturing, as well as profound accumulation in process technology. Since its establishment, the company has evolved from a single operation to a combination of multiple fields and types. Its products cover eight major categories including automotive brake discs, brake drums, brake calipers, brake pads, wheel hubs and air pumps, water pumps, and oil pumps, with nearly 10000 specifications and models. It is now the largest and most diverse automotive parts manufacturer and exporter in China.
      The group company provides future oriented braking system solutions for vehicle accessories and the automotive aftermarket with specialized technical processes, automated and intelligent processing capabilities. The casting material is strictly produced in accordance with the US G3000 standard, EU GG20/GG25 standard, Japanese FC250 standard, national gray iron 250 standard, as well as ductile iron 450, 500, 600 standards; The introduction of production equipment from Germany, Japan, South Korea, Taiwan and other internationally leading fully automatic casting production lines, fully automatic processing production lines, intelligent coating production lines, and large CNC machining centers provides strong guarantees for ensuring product quality. 'Longi Production' has now become a recognized synonym for high quality in the industry.
      Adhering to the business philosophy of "manufacturing high-quality components and serving premium hosts", with a complete quality control system and reliable quality assurance capabilities, the company has entered the ranks of "world-class automotive parts qualified suppliers". The company's main testing equipment is all imported from abroad, which can meet the precise measurement and comprehensive performance testing of various types of automotive brake components from development to production. At the same time, the company has established a national level testing center to provide strong technical support for product research and development and process improvement.
      A strict quality control system ensures the high quality of products. The company has taken the lead in the industry in obtaining IS09000, QS9000, VDA6.1, IATF16949:2016 quality system certifications, as well as IS014000 environmental management system and OHSAS18000 occupational health and safety management system certifications.
      Success comes from innovation, and innovation is precious in the heart. The group company has always paid attention to the material control of casting process products, as well as key aspects such as modeling and mold design and development. It continues to increase research and development investment and can develop hundreds of specifications and models of component products annually. It gradually transforms its technological leadership into a market first mover advantage and maintains its position as a "leader" in the industry. The joint venture cooperation with well-known foreign enterprises such as Denmark has further laid the foundation for the production of brake assemblies and can meet the one-stop procurement needs of domestic and foreign customers.
      Strive for first-class career and achieve first-class performance. Shouldering the responsibility and mission, the company not only has an experienced management team, but also forged a group of scientific and technological elites who control core technology. At the same time, the company has also hired academicians of the National Academy of Engineering, academician work team, experts of the Thousand Talents Plan, Mount Taishan industry leaders, etc., and has established long-term strategic cooperation relations with the General Institute of Mechanical Science, Tsinghua University, Shandong Jianzhu University, Northeast University, Jiangsu University and other colleges and universities. Relying on continuous scientific and technological innovation and efficient enterprise management, the company has stepped out of the ordinary development path. As a provincial-level high-tech enterprise, the company has the industry-leading "Digital Design and High end Manufacturing Technology Research Institute for Brake Components" and the provincial-level "Engineering Technology Research Center for Automotive Brake Devices", "Technical Center", "Academician Workstation" and "Postdoctoral Practice Base"; We can develop hundreds of specifications and models of component products annually, gradually transforming our technological advantage into a first mover advantage in the market, and maintaining our position as the "leader" in the industry. The company is one of the first batch of automotive parts manufacturing enterprises identified by the Ministry of Industry and Information Technology as meeting the "Access Conditions for the Casting Industry", and has been selected as a "China Green Casting Demonstration Enterprise" by the China Foundry Association. Currently, it is applying for a national level "Green Factory" project; The company is the main drafting unit and participating drafting unit of the national standards for automotive brake hubs and brake discs, and has participated in the formulation of the national standards for "Energy Efficiency Limits and Energy Efficiency Grades for Cupola Furnaces" and the industry standards for "Energy Consumption Limits for Casting Iron Furnaces"; Over the years, the company has obtained dozens of national patents and its products have won the "Shandong Famous Brand", "Shandong Science and Technology Progress Award", and "Yantai Mayor Quality Award"; The graphic of the "Longji" trademark has been designated as a "Famous Trademark of Shandong Province" by the Shandong Provincial Administration for Industry and Commerce. The company has established a national level testing center that has obtained CNAS certification. All the main testing equipment is imported from abroad, which can meet the precise measurement and comprehensive performance testing of various types of automotive brake components from development to production. It provides strong technical support for product research and development and process improvement, and will further promote the company's products to enter high-end fields such as high-speed rail and aviation.
      Great plans are achieved, and lofty aspirations are pursued. In 2010, Longi Machinery was listed on the Shenzhen Stock Exchange, setting a precedent for listed companies in the same industry. Longi products are exported to more than 50 countries and regions including Europe, America, the Middle East, Australia, Africa, and Southeast Asia with their excellent quality. Their sales network covers major well-known domestic vehicle supporting enterprises, international OEM markets, and well-known large-scale automotive parts procurement groups. The popularity and market share of the "Longi brand" are steadily increasing, and it is deepening its development towards more high-end market areas.
      The company has been awarded to "Top 100 Auto Parts Enterprises in China", "China Green Casting Demonstration Enterprise", "Top 100 Comprehensive Foundry Enterprises in China's Foundry Industry", "Top Ten Famous Brands in China's Brake Disc Industry", "China Customs Advanced Certification Enterprise", "Top 500 Private Enterprises", "National Model of Respecting, Loving and Helping the Elderly" and "Top 100 Enterprises in Shandong Machinery Industry", "Shandong Foundry Industry" Top 50 Enterprises with Comprehensive Strength "," Top Ten Brands of Private Enterprises in Shandong Equipment Manufacturing Industry "," Top 100 Private Enterprises in Shandong Province "," Provincial Civilized Unit "and other honorary titles. Products won the "Shandong Province Famous Brand", "Shandong Province Science and Technology Progress Award" and "Yantai Mayor Quality Award". "Jiangji" trademark graphics was assessed as "Shandong famous trademark" by the Shandong Provincial Bureau of Industry and Commerce ".