Kaiming Technology (Hangzhou) Co., Ltd. was established in March 2015 and is a national high-tech enterprise specializing in the research and manufacturing of online water quality monitoring analyzers. The company is committed to the R&D and manufacturing of instruments in four major fields: "industrial process online monitoring analyzers," "pollution source water quality online monitoring analyzers," "drinking water safety online monitoring analyzers," "surface water online monitoring analyzers," and "underground pipeline network water quality online monitoring analyzers," while providing intelligent operation and maintenance services based on IoT technology. Upholding the craftsmanship spirit of "specialization, refinement, uniqueness, and innovation," the company aims to build its core competitiveness through technological and service advantages, striving step by step to become a well-known international enterprise in the field of online water quality and environmental monitoring.

Dalian Pace Gas Equipment Co., Ltd. (hereinafter referred to as "the Company"), established in March 2002, is a wholly-owned subsidiary of Shuifa Pace Gas Co., Ltd. (603318.SH), a first-level subsidiary of Shuifa Group, a provincial state-owned enterprise in Shandong Province. The registered capital is 10 million yuan, with total assets of 530 million yuan. The Company primarily engages in the manufacturing of products related to gas transmission and gas application fields, providing pressure regulation systems for natural gas transmission and pretreatment systems for natural gas power generation. The products are mainly used in large-scale gas-fired power plants. The Company integrates technical solution formulation, system engineering design, equipment selection, on-site installation guidance, equipment commissioning, and operator training, providing global customers with comprehensive equipment for gas transmission and gas applications, as well as full-process solutions covering product design, production, sales, and services. The products are exported to more than 40 countries and regions worldwide. The Company currently has two manufacturing bases, covering an area of approximately 68,000 square meters with a built-up area of about 50,000 square meters. The Company has 12 functional departments with 247 employees. Among them, technical R&D personnel account for 30%, with professional and technical personnel holding college degrees or above accounting for 97%, and personnel with intermediate or senior technical titles accounting for 26%. After years of development, the Company has received numerous accolades for technological innovation, including "National High-Tech Enterprise," "Provincial Specialized, Refined, and New Enterprise," "Dalian Industrial Technology Center," and "Liaoning Quality Benchmark." To date, the Company holds 9 invention patents, 63 utility model patents, and 3 software copyrights, and actively explores new product development, especially in gas turbine AM auxiliary module business and hydrogen blending/mixed hydrogen transmission systems. The Company's business currently adopts an "order-based" operating model. According to the specific application requirements of downstream customers, the Company conducts system process design (functional design), mechanical integration design, standard equipment selection, and non-standard equipment design. Based on these design schemes, required raw materials are procured, processed and manufactured according to production process requirements, various equipment is assembled according to the production process flow, and after inspection, examination, and testing, the products are sold to customers. The key focus lies in the product system integration design stage, which requires the comprehensive application of multidisciplinary knowledge to integrate the product operating conditions, gas quality parameters, input/output parameter requirements, gas turbine host specifications, and customer technical standards, in order to carry out system integration, equipment selection, process design, and other technical work, which is highly professional. Currently, the Company holds a leading position in the domestic gas supply system market for gas-fired power generation and has made significant contributions to the localization of key equipment in the gas power generation field. It is the only company in China's same industry to simultaneously provide professional gas equipment and services to Fortune 500 companies including GE, Siemens, Mitsubishi, Alstom, and Samsung. It is also the only domestic company capable of fully supplying fuel supply systems for 350MW gas turbine units. Additionally, relying on its technological innovation capabilities, the Company also engages in process design and technical services for mixed hydrogen and pure hydrogen transmission and distribution projects.

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.