Shandong Chen Yu electric Limited by Share Ltd (formerly Qingzhou City, Samsung Electronics Co., Ltd.) was founded in February 26, 2001, the registered capital of 51 million yuan. Is engaged in the transformer and high voltage switch equipment, technology development, product research and development, production and experimental detection of the core unit, Chenyu electrical through the ISO9001 quality management system, ISO14001 environmental management system certification and ISO18001 occupational health and safety management system certification, have bearing equipment repair and test power facilities permit four level and send become electrical engineering contractor Sanji aptitude is high-tech enterprises in Shandong Province. Our main products are: 220kV and following S11, S13, SH15, scb10 and SCB11 all kinds of specifications models of large capacity, high voltage oil immersed power transformer, rectifier transformer, dry-type power transformer, reactor; American, European box type substation, electric furnace and mining transformer, railway traction transformer and so on more than 20 series more than 280 kinds types of products, annual production capacity of 20 million KVA. 2012 achieve "Cheng Decoration pilot power facilities permit", "power transmission project professional qualification" and "safe production license", the company from product manufacturing to equipment installation, commissioning, transmission and substation project.