Dalian Puyang Railway Locomotive and Rolling Stock Fittings Co., Ltd., established in April 1990, is located in Fengrong Industrial Park, Jinpu New Area, Dalian. With a registered capital of 50 million RMB, it is a modern enterprise dedicated to the research, development, manufacturing, and sales of "safe, lightweight, and environmentally friendly" polymer materials. In 1993, the company was designated as a fixed-point producer for railway locomotive and rolling stock components by the Ministry of Railways. After years of development, the scale of the company has continuously expanded, and it has achieved significant growth, becoming a large-scale enterprise. The company covers an area of over 60,000 square meters with a building area of nearly 10,000 square meters. It boasts a high-quality management team and a technically proficient workforce, along with a comprehensive system for research, production, marketing, and after-sales services, equipped with advanced facilities and technology. The company has passed ISO9001:2008 Quality Management System Certification, ISO14001:2004 Environmental Management System Certification, and GB/T28001-2001 Occupational Health and Safety Management System Certification. It has been honored as a provincial-level "Contract-abiding and Credit-worthy" unit by Liaoning Province, and recognized as an "Advanced Unit," "Innovative and Growth-oriented Small and Medium-sized Enterprise," "Garden-style Enterprise," and "Reliable Quality" unit by the Dalian Municipal Government. It has also been rated as the "Best Credibility" unit by financial institutions and was named a "Technology Enterprise" in 2013. In recent years, to further expand its industrial layout, based on the existing production and research of high-polymer material components for railway locomotives and rolling stock, the company has focused on the development of thermoplastic composite materials, which possess characteristics such as high strength, high rigidity, high toughness, corrosion resistance, light weight, and environmental friendliness. These materials are widely used in aerospace, aviation, automotive, chemical, and electrical and electronic industries. In this new phase of development, Puyang sincerely invites polymer experts to jointly support the development of China's economy, continuing to strive in creating job opportunities, nurturing talent, providing technical support, and offering social assistance, contributing to the prosperity of Chinese society.