The company is a provincial-level high-tech enterprise. "Liancheng Group" has won the famous trademark of China, passed IRIS international railway industry standards, ISO9001, ISO14001, 0HSMS18001, EN15085 system certification, and obtained ISO/IEC17025 national laboratory accreditation . The company's products focus on serving the three major industrial fields of railway locomotives, EMUs and urban rail vehicles. It has a 30-year history of developing rail transit equipment components and has advanced technologies in structural parts welding, ventilation and cooling, braking systems, electronic appliances and vibration reduction devices. Technical quality platform and multiple efficient production lines. Under the guidance of the Ministry of Railways' major strategy of introduction, digestion, absorption, and re-innovation, the company has successively completed the research, development and manufacturing of multiple systems and key components of the world's most advanced high-power AC locomotives and high-speed EMUs, continuing to fully meet the needs of modernization of railway equipment. Requirements, it has become a key component supplier supported and cultivated by the Ministry of Railways, an industry leader in domestic rail transit equipment components, an important undertaking base for foreign industrial transfers, and a dominant enterprise in key regional economic development.