Beijing Zhengzhuo EngineeringTechnology Co., Ltd. (hereinafter referred to as Zhengzhuo) is a national high-tech enterprise and a specialized, high-end and innovation-driven SME in Beijing, established in December 2000 and approved by national market supervision authorities. As a company dedicated to power supply and power improvement solutions, Zhengzhuo has been engaged in product research and development, production, and sales activities in accordance with laws and regulations within its approved business scope for over twenty years. The company has consistently received an AAA credit rating, ISO 9001 quality management system certification, ISO 14001 environmental management system certification, and ISO 45001 occupational health and safety management system certification, and has become a key supplier to hundreds of government agencies and enterprises. Zhengzhuo is a major supplier under the uninterrupted power supply framework agreements with PetroChina, Sinopec, and CNOOC.

In 2010, the company registered the Zhengzhuo trademark with the National Intellectual Property Office and updated the registration in 2020. The Zhengzhuo factory, located in Zhongshan, Guangdong, covers more than 3,000 square meters and primarily manufactures a variety of power supply products under the Zhengzhuo brand with independent intellectual property rights, with an annual production capacity of hundreds of units. Zhengzhuo's product lineup includes IGBT hydrogen production power supplies, industrial integrated lithium battery systems, dynamic voltage stability control systems (VCS), uninterruptible power supplies (UPS), DC power supplies, static transfer switch systems (STS), intelligent battery inspection instruments, and related distribution products. In 2018, Zhengzhuo independently developed and produced the Zhengzhuo Voltage Stability Control System (VCS) to address voltage sag issues, which has been successfully used in multiple 1-megawatt or larger capacity devices at Sinopec's integrated refining and chemical plant, receiving positive feedback from users. Based on customer and market demand, Zhengzhuo introduced an industrial lithium battery system solution in 2019, which has since been applied in various projects. In 2024, Zhengzhuo signed a strategic cooperation agreement with a national laboratory to jointly develop the "IGBT Hydrogen Production Power Supply Key Technology Research for Electrolyzers with a Capacity of 4000 Standard Cubic Meters and Below" project to enter the green hydrogen market. Zhengzhuo's products currently hold certifications from TIER Center, Power Equipment Testing Center, CQC Green Certification, CE European Union Certification, Cape Certification, and Sabre Certification. The IGBT hydrogen production power supply has obtained a national laboratory test report and a scientific and technological evaluation report, achieving a leading level in China. Zhengzhuo is also actively involved in the formulation of national and industry standards, focusing on technological innovation and application. The company has obtained over 40 intellectual property rights, including invention patents, software copyrights, and utility model patents.