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Core Insights - Shandong Dong'a Steel Ball Group Co., Ltd. has a significant market share in the high-end steel ball sector, achieving over 70% in the domestic market for premium bearing steel balls and cone rollers [1][6]. Group 1: Company Overview - The company produces steel balls ranging from 0.7938 mm to 90 mm in diameter, showcasing a wide range of products [1]. - The company has established strategic global partnerships with major bearing manufacturers, including Schaeffler and SKF, and has dedicated production lines for these clients [6][4]. - The company has been recognized as a leading enterprise in the national rolling body production sector and is ranked among the top ten steel ball manufacturers in China [10]. Group 2: Technological Advancements - The company has a state-of-the-art laboratory with a total area of 3,600 square meters, equipped with advanced testing equipment capable of measuring over 70 rolling body indicators [3][12]. - The company has implemented various technological innovations, including intelligent manufacturing projects and automatic detection systems, significantly enhancing production efficiency [15][16]. - The company has participated in the formulation of 12 national standards and holds 54 authorized patents, with over 70% of its sales revenue coming from new technology products [12]. Group 3: Quality Control and Standards - The company employs a comprehensive quality control system, including ASIS quality management, ensuring traceability and reliability of each steel ball produced [16]. - The introduction of optical detection technology has improved quality assurance by reducing human error in defect detection [9]. - The company has been recognized as a national quality benchmark enterprise and has received accolades for its "Seagull" brand, which is the only "China Famous Trademark" in the steel ball industry [10].