Jereh Oil & Gas Engineering Co., Ltd. (hereinafter referred to as "Jereh Natural Gas") is a wholly-owned subsidiary of Yantai Jereh Petroleum Services Group Co., Ltd., with a registered capital of 1 billion yuan. With nearly 20 years of project accumulation and technological development in the oil and gas sector, we have achieved full industry chain development in natural gas, with business coverage spanning natural gas equipment manufacturing, gas power generation equipment, natural gas processing engineering, and terminal utilization. We can provide integrated natural gas industry solutions from feasibility planning, equipment design and manufacturing, project management, to station operation and maintenance as well as after-sales services. Jereh Natural Gas invests no less than 5% of annual sales revenue in R&D each year. After more than two decades of accumulation, Jereh Natural Gas has developed full lifecycle management capabilities from equipment R&D and production to delivery, with over 180 invention patents applied for across the entire industry chain. Jereh Natural Gas provides customized designs based on customer site conditions, offering integrated natural gas industry solutions from feasibility planning, equipment design and manufacturing, project management, to station operation and maintenance as well as after-sales services, ensuring safe and stable project operation. Jereh Natural Gas always adheres to a customer-centric approach, responding promptly to customer needs, and comprehensively solving various challenges faced by customers while eliminating potential risks in equipment operation and maintenance. 80% of our team members hold international HSE certificates, special operation permits, project manager certificates, and other credentials; over 70% of our operational personnel have more than five years of service experience. Survey and Design Qualifications: Engineering design/consulting/management qualifications, engineering survey qualifications, petroleum and natural gas (offshore oil) industry (oil and gas processing, oilfield surface) engineering design qualifications, pressure piping (vessel) design qualifications; Management Systems: American Petroleum Institute API Q1, Quality Management System ISO 9001, ASME Quality Assurance System, TSG Quality Assurance System; Manufacturing Qualifications: Canadian CRN registration/CWB steel structure welding qualification, American Welding Society CWI certification, ASNT non-destructive testing society certification, EU CE certification, MD/ATEX/PED, DNV, DOT, CDOT, SASO, CU-TR, and other certifications; As early as 2004, Jereh placed great emphasis on product innovation and patent application protection, especially for core products in the natural gas sector, investing no less than 5% of annual sales revenue in R&D each year. In the future, we will continue to focus on the competitive advantages brought by innovation and patents, firmly pursuing the path of R&D and innovation, so that Jereh Natural Gas can win in the future.

Jereh Group was founded in 1999 as an innovation-driven diversified industrial group. Its businesses span petroleum industrial clusters, natural gas industrial clusters, data center and power industrial clusters, and new energy industrial clusters, committed to providing customers with competitive, safe, and reliable products, services, and systematic solutions. Since its founding, we have taken sincerity as the cornerstone of Jereh's corporate culture. While continuously creating value for customers, we also contribute honesty, kindness, and respect to society. Today, our business operates in over 70 countries and regions, with more than 9,000 outstanding employees. We are open to cooperation with global partners, working together to build a more efficient and sustainable future. Currently, Jereh Group has two listed companies (Jereh Stock 002353, Deshi Stock 301158). It is a National Technology Innovation Demonstration Enterprise, National Intellectual Property Demonstration Enterprise, National Service-Oriented Manufacturing Demonstration Enterprise, and a National Quality Benchmark enterprise. The Group has 11 national high-tech enterprises and 1 National Pilot Demonstration Enterprise for Integration of New-generation Information Technology and Manufacturing. Driven by innovation, it has established more than 10 national and provincial-level scientific and technological innovation platforms, including a National Recognized Enterprise Technology Center, National Industrial Design Center, Shandong Technology Innovation Center, Shandong Manufacturing Innovation Center, and Shandong Engineering Research Center. It has 3 National Service-Oriented Manufacturing Demonstration Enterprises, 2 Shandong Science and Technology Leading Enterprises, and 3 Shandong Gazelle Enterprises. To date, it has undertaken over 90 national and local research projects, with 23 technological achievements reaching international leading standards, 11 achievements receiving provincial-level science and technology progress awards, and 4 achievements receiving provincial-level industrial design gold awards.

Jiangsu Jiehui Intelligent Technology Co., Ltd. is a national high-tech enterprise specializing in intelligent logistics system integration and industrial automation solutions, dedicated to providing end-to-end intelligent warehousing and flexible production line upgrade services for clients across manufacturing, pharmaceutical distribution, and new energy industries. The company’s core businesses encompass research & development and manufacturing of intelligent warehousing equipment, development of logistics information system software, industrial robot system integration, and overall planning and implementation of intelligent factories. Its core competencies focus on key technological areas including stacker crane control algorithms, multi-AGV coordinated scheduling systems, and digital twin–based warehouse simulation platforms. The company has developed the independently controllable software platform “JH-LogiCore Intelligent Logistics Operating System,” which has achieved large-scale application in sectors such as pharmaceuticals, new-energy batteries, and fast-moving consumer goods (FMCG). The enterprise holds the “High-Tech Enterprise Certificate” (GR202332008765) and certifications for the ISO 9001/14001/45001 management systems; it also possesses qualifications for professional contracting of building mechanical and electrical installation engineering (Level III) and electronic & intelligent engineering (Level II). As of the end of 2025, the company holds 12 authorized invention patents, 47 utility model patents, and 63 software copyrights. Representative projects include the fully automated electrode cell automated storage and retrieval system (AS/RS) at CATL’s Jiangsu base, the Huaxia Pharmaceutical East China Intelligent Sorting Center, and the intelligent warehousing upgrade project for Jiangsu Hengrui Pharmaceuticals—all delivered projects having passed final customer acceptance. The company’s business operations are concentrated primarily in the East China region, with its main customers comprising large domestic manufacturing enterprises, pharmaceutical groups, and third-party logistics service providers. The company offers industry partners multiple collaboration models—including system integration, joint development, co-construction of projects, and technical empowerment—and actively participates in Jiangsu Province’s Key R&D Program, “Research on Key Technologies for Lightweight AGV Cluster Scheduling Oriented Toward Flexible Manufacturing,” driving iterative advancement and practical deployment of core intelligent logistics technologies.