Chongqing Changrui Electric Manufacturing Co., Ltd. established in 1998, is located in the University Town of Chongqing, adjacent to the Xiyong Microelectronics Industrial Park and the G5013 Chongqing-Chengdu Expressway toll station. Specializing in the production of accessories for submersible oil pump units, our company is engaged in the development, manufacturing, and sales of petroleum machinery. We have successively developed a series of products including gas processors specifically for gas wells, anti-scaling and anti-wax devices, wellhead cable penetrators, and downhole packer cable penetrators.

        The company currently employs 76 staff members, with a dedicated R&D department comprising 25 technical personnel. Among them, 6 are senior engineers, and R&D personnel account for over one-third of the total workforce. We offer 20 product series with more than 200 variations, demonstrating our capability for customized solutions and rapid response. By maintaining long-term collaborations with local technical institutions and research organizations, we leverage the advantage of close integration among industry, academia, and research. Our professional team excels in development, production, and service, ensuring agile adaptation to market demands.

        Spanning 4,000 square meters, the company features modern standardized workshops and comfortable office spaces. Equipped with high-precision CNC machines, conventional machine tools, and specialized processing and testing equipment, we possess robust capabilities in manufacturing special rubber products and composite materials. Our wellhead cable penetrator series has secured over 30 patents.

        Guided by the principle "Quality is Life," we have established a comprehensive quality management system. The company obtained ISO 9001 certification in 2005 and achieved API Q1 quality management certification in 2022. Our quality assurance capabilities include material analysis and real-time online detection. Since 2005, our penetrators have been operating reliably in oilfields under China National Petroleum Corporation (CNPC), Sinopec Group, and CNOOC Limited. Our products are also exported to regions including the Middle East, Central Asia, South Asia, South America, and Europe. We provide complete pre-sales and after-sales services, along with diversified and personalized design solutions, earning consistent acclaim from global customers.

        Adhering to the philosophy of "Continuous Improvement, Customer Satisfaction," we embrace the corporate ethos of "Product Innovation, Professional Service" and operate under the mission of "Delivering Optimal Cost-Effectiveness for Users." With the guiding principle of "Building the Changrui Brand for Sustained Specialized Growth," we are committed to offering comprehensive support throughout the product lifecycle.

        Changrui looks forward to collaborating with you, ensuring seamless communication and utmost satisfaction through dedicated service.