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　　Ningjin’s first “One Hundred Summer Returnee College Students Witness Their Hometown’s New Changes” event reached its sixth stop: Sanling Group. Around 4 p.m., the returning students arrived at Sanling Group for a tour. Senior executives briefed the students on the company’s operations, and the group then visited Sanling’s production facilities.
　　Accessory Sales Company. The company primarily manufactures interior components and seats for heavy and light trucks, as well as new-energy electric vehicles. It is a leading domestic automotive parts manufacturer integrating R&D, production, and sales, enjoying a strong reputation within China’s auto‑parts industry. Shandong Sanling Automotive Interior Co., Ltd. was founded in 1982 and has since accumulated over 30 years of development. The company is currently located in the Yinhe Industrial Development Zone of Ningjin County, occupying 178,000 square meters with registered capital of RMB 50 million, and employing 68 specialized technical personnel. As a professional manufacturer of interior components for heavy and light trucks, its core product lines include cabin interiors for heavy trucks and construction machinery. Over the years, the company has been designated as an A‑class supplier and an annual outstanding supplier to China National Heavy Duty Truck Group, Shaanxi Heavy Duty Automobile Group, Chongqing Hongyan Commercial Vehicle Co., Ltd., Hunan Sany Group, and Anhui Jirui Heavy Industry. It serves as the primary supplier of interior parts for China National Heavy Duty Truck Group’s STRW series, HOWO series, Yellow River Prince series, HOWO–A7 series, MAN truck series, and other heavy‑duty vehicle models. Additionally, it is an approved qualified supplier of military‑grade products for the PLA’s representative offices at China National Heavy Duty Truck Group and Shaanxi Heavy Duty Automobile Group, as well as for the Second Artillery Corps’ military representative office in the Jinan area. Shandong Sanling Automotive Seat Co., Ltd., a wholly owned subsidiary of Shandong Sanling Group, is a leading industrial enterprise in Dezhou City and a key backbone enterprise in the region. Located in the Ningjin Yinhe Development Zone, the company occupies 104,000 square meters, with factory buildings and supporting facilities covering 42,000 square meters. It specializes in producing seats for commercial vehicles, light trucks, engineering vehicles, and electric cars, with an annual design capacity of 100,000 seat sets, and employs 36 specialized technical staff. In 2011, the company launched a new project for electric tricycles and quadricycles, achieving an annual output of 10,000 units. To date, it has developed six major platform families—luxury intelligent air‑suspension seats, standard air‑suspension seats, mechanical suspension seats, and fixed adjustable seats—comprising more than 30 distinct product variants, and possesses the capability to conduct concurrent development with vehicle manufacturers. The company maintains robust quality assurance: it operates a CAD design center, a central laboratory, and a surveying room, equipped with over 40 pieces of testing and inspection equipment—including electronic fabric tensile testers, low‑temperature test chambers, colorimeters, and comprehensive automotive seat performance test rigs—ensuring that every product achieves a 100% pass rate from raw material intake to finished‑product shipment. Its production facilities are state-of-the-art, featuring cutting-edge process equipment such as thermoplastic felt board production lines, water‑jet cutting robot lines, CNC machining centers, injection molding machines, and high‑pressure casting machines—all among the industry’s leading standards in China. The company demonstrates strong R&D capabilities: among its technical personnel, 10 hold senior titles, 22 hold intermediate titles, and all possess at least an associate degree. Since its establishment, the company has repeatedly participated in the research and development of interior components for China National Heavy Duty Truck Group’s STR series, HOWO–A7 series, MAN truck series, Hunan Sany Group’s CB311 excavator, as well as Shaanxi Heavy Duty Automobile Group’s Aolong S2000 and Delong F2000 heavy‑duty vehicle series. Its designs have earned widespread recognition and favorable reviews from major OEMs for both aesthetic appeal and quality. “Striving for excellence and pioneering progress” has long served as the company’s founding principle and cornerstone, guiding its continuous evolution and relentless pursuit of innovation. In 2006, the company obtained China’s CCC safety certification; in 2007, it achieved ISO/TS 16949 international quality management system certification. Its key economic indicators have consistently ranked among the top three in the province’s peer group for many years. From 2011 to the present, the company has received numerous honors, including “Dezhou City Model Enterprise for Harmonious Labor Relations,” “Top 50 Enterprises in Dezhou City,” “Leading Enterprise in Dezhou’s Characteristic Industries,” “Provincial Contract‑Abiding and Creditworthy Enterprise,” and “National Demonstration Unit for Integrity.”