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Shuifa Energas Gas Co., Ltd. (Securities Short Name: Shuifa Gas; Securities Code: 603318) is a Main Board-listed enterprise positioned as an integrated service provider across the entire natural gas industry chain, with its ultimate controlling shareholder being the State-owned Assets Supervision and Administration Commission of the Shandong Provincial People’s Government. The Company’s business spans upstream resource acquisition, midstream LNG production, storage, transportation, and processing, and downstream urban gas operation and distributed energy applications, forming a technological roadmap characterized by “diversified gas sources + intelligent transmission and distribution + scenario-specific applications.” Its core businesses include LNG production and sales; natural gas-based distributed energy engineering (including combined cooling, heating, and power generation); franchised urban gas operations (covering over 20 cities and counties across Shandong, Henan, Hebei, Inner Mongolia, and other provinces); gas equipment manufacturing; and intelligent gas system integration. The Company possesses independently developed intellectual property rights for gas pressure regulation and metering equipment, SCADA intelligent dispatching systems, skid-mounted LNG vaporization units, and the “Shuifa Smart Gas Cloud” IoT platform (already connected to over 1.5 million end-user terminals). Its core technologies cover high-efficiency low-temperature liquid vaporization, intelligent multi-source gas blending, and dynamic pressure balance control, with over 80 authorized patents granted (including 12 invention patents). The Company has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications; its LNG-related equipment holds Special Equipment Manufacturing Licenses (TS) and Explosion-Proof Certificates; and multiple EPC projects have passed completion acceptance and filing with the Ministry of Housing and Urban-Rural Development. Representative projects include the Ordos 2-million-cubic-meter-per-day LNG liquefaction plant; the intelligent transformation of the entire urban gas pipeline network in Gaomi City, Shandong Province; the Lankao County, Henan Province “Rural Gasification” Distributed Energy Demonstration Project; and peak-shaving vaporization systems supplied to Sinopec and China National Petroleum Pipeline Network Group for their LNG receiving terminals. The Company possesses inter-provincial resource scheduling capabilities across East China, North China, and Northwest China. Currently, its business focuses on domestic clean energy infrastructure construction and offers diversified cooperation solutions—including LNG supply, gas engineering EPC services, intelligent gas system construction, complete equipment packages, and collaborative hydrogen-blending combustion technologies—to government platforms, energy enterprises, urban gas companies, and large-scale energy-consuming entities.

Shilong Heavy Industry (Dalian) Co., Ltd. is a high-tech enterprise specializing in the research, development, manufacturing, and service of port cranes, marine engineering equipment, and special construction machinery. The company positions itself as a provider of integrated system solutions for intelligent port equipment and marine engineering supporting equipment. Its core business covers the design, manufacturing, installation, retrofitting, maintenance, and technical services for port handling equipment, quay cranes, portal cranes, floating cranes, hydraulic grabs, and offshore platform supporting equipment. Its products are widely applied in port handling operations, intelligent upgrading of terminals, and near-shore engineering operations. Leveraging three invention patents and seventeen utility model patents, the company has accumulated technological expertise in areas such as intelligent hoisting control, anti-sway positioning, and lightweight marine engineering structural design. Its SSC-series intelligent portal cranes for ports integrate remote monitoring, self-diagnostic fault detection, and multi-unit coordinated scheduling functions, and have already entered routine operation at Yingkou Port and Jinzhou Port. The company holds the “Special Equipment Production License” (TS2421008–2028), possesses full qualifications for the manufacturing, installation, and repair of lifting machinery, and has achieved certification under the ISO 9001, ISO 14001, and ISO 45001 management system standards. It has participated in drafting and publishing the industry association standard “Technical Specification for Intelligent Control Systems of Port Portal Cranes” (T/CPHA 012–2024). In recent years, the company has continuously undertaken intelligent transformation projects for aging terminals along the Liaoning Coastal Economic Belt, including providing a domestic alternative solution for the electrical control system of quay cranes at Dalian Port Container Terminal, achieving independent adaptation of core PLC and frequency converter modules. Its service region is concentrated within the Bohai Bay port cluster; all delivered projects are located at coastal or inland river ports within China. The company offers customized equipment supply, intelligent upgrades for in-service equipment, full-lifecycle technical services, and collaborative standard development to port operators, terminal construction entities, equipment integrators, and relevant government regulatory authorities.

Shijiazhuang Fuda Machinery & Equipment Co., Ltd. Xinjiang Branch is a specialized service branch established by Shijiazhuang Fuda Machinery & Equipment Co., Ltd. in Northwest China. Leveraging its parent company’s 20 years of experience in research, development, manufacturing, and integrated services for mining machinery, metallurgical equipment, and environmental protection equipment, the branch focuses on the Xinjiang and broader Northwest regional markets and provides full-lifecycle support for equipment. Its core business includes the sale, installation, commissioning, maintenance, and leasing of mechanical equipment and components, electromechanical equipment, automated control equipment, and instruments and meters, as well as associated technical consulting and technical services. Its core competencies lie in the integrated application, on-site installation and commissioning, and rapid-response after-sales maintenance and repair of environmentally friendly equipment and solid waste treatment equipment—particularly crushing and screening systems. The branch has actively participated in an EPC project for steel slag treatment in Xinjiang, delivering customized solutions to iron and steel enterprises, mining companies, and solid waste treatment enterprises. Its qualification system is uniformly supported by the parent company, holding an A2-level pressure piping component manufacturing license and ISO 9001 Quality Management System certification, and possessing dozens of utility model patents; its technical capabilities cover equipment selection, system integration, on-site implementation, and continuous operation and maintenance. Its service network is headquartered in Urumqi and extends across the entire Xinjiang region, enabling collaboration with industrial enterprises, engineering EPC contractors, and local government environmental protection projects through various modalities—including equipment supply, system integration, turnkey engineering cooperation, and specialized technical services.

Shihezi Tianyu Xinshi Chemical Co., Ltd. is a fine chemical enterprise specializing in the research, development, and production of organosilicon functional additives. It operates within the specialty chemical manufacturing sector, with a core focus on the industrialization of organosilicon intermediates and downstream application products. Its principal products include silane coupling agents (e.g., JH-Si69), functional silicone oils (e.g., methyl vinyl silicone oil MVQ-500 series), and electronic-grade silicon materials, which are widely applied in novel material applications such as silica-reinforced rubber systems and electronic encapsulation adhesives. The company possesses capabilities for continuous synthesis processes and experience in customized small-batch supply. Its technical expertise is reflected in four authorized utility model patents covering equipment and process adaptations—such as optimizations of silane coupling agent reaction apparatuses and preparation systems for low-viscosity vinyl silicone oils. The company holds a Level-3 Safety Production Standardization Certificate (valid until August 2026) and ISO 9001:2015 Quality Management System Certification, ensuring its production activities comply with fundamental safety and quality control requirements. Leveraging the industrial ecosystem of the Shihezi Economic and Technological Development Zone, the company has established stable service relationships with local midstream customers in Xinjiang’s new materials industry chain, including Xinjiang Lanshan Tunhe Polyester Co., Ltd. and subsidiaries of Hoshine Silicon Industry Co., Ltd. Contract deliveries are concentrated within the RMB 500,000–2,000,000 range, and all projects are implemented exclusively within Xinjiang Province. Currently, the company’s business primarily emphasizes regional technical responsiveness and supporting supply, with collaboration models encompassing sample validation, customized development, and small-batch supply, delivering functional organosilicon solutions to enterprises in the northwestern region engaged in new materials, rubber additives, and electronic encapsulation.

Shenhua Zhungeer Energy Co., Ltd. is a core coal production enterprise under China Energy Group. As the principal developer of the Zhungeer Mining Area—a national key modern large-scale coal production base with an annual capacity of over 100 million tons, constructed during China’s 11th to 14th Five-Year Plans—the company has long focused on open-pit coal mining, coal washing and processing, and sales. Its industry classification is Coal Mining and Washing (B0610). The company operates two ultra-large open-pit coal mines—Heidaigou and Haerwusu—with a combined designed annual production capacity exceeding 69 million tons and a stable annual raw coal output of over 65 million tons, accounting for approximately 12% of China Energy Group’s total coal output. It ranks among China’s largest single-site-capacity and highest-efficiency open-pit coal mine clusters. Leveraging core technologies—including high-slope stability control, intelligent scheduling of large-scale equipment, and unmanned haulage systems operating on a dedicated 5G network—the company has built China’s first intelligent open-pit coal mine demonstration project achieving routine platooned operation of unmanned trucks. It holds independent intellectual property rights, including “Slope Stability and Ecological Restoration Technology for Open-Pit Mines” and “Toothless Excavation Technology Using Large Bucket Wheel Excavators,” and has secured 28 authorized invention patents and 137 authorized utility model patents. The company holds valid permits for Work Safety, Mining, and Pollutant Discharge; has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications; and has been included in both China’s first batch of “Green Mines” list and the National Energy Administration’s “Intelligent Demonstration Coal Mine” list. Representative projects include the ecological restoration project at the southern dump site of Heidaigou Mine (with reclaimed land area exceeding 28,000 mu and vegetation coverage exceeding 95%) and the Haerwusu 5G+ Unmanned Haulage System (deploying 125 unmanned mining trucks, improving operational efficiency by 18%). Its products consist primarily of high-quality thermal coal with low sulfur content (<0.6%) and low ash content (<20%), mainly supplied to power plants and key industrial enterprises in the Beijing-Tianjin-Hebei region, East China, and South China, with some exported via Caofeidian Port and Huanghua Port. The company possesses mature capabilities in technology transfer, project collaboration, and joint R&D across domains including intelligent mine construction, green and low-carbon technology application, ecological restoration engineering, and coal supply chain coordination.

Shenzhen Transaction Consulting Group Co., Ltd. is a professional consulting and technical service institution initiated by municipal state-owned capital-backed entities in Shenzhen and actually controlled by enterprises under the Shenzhen SASAC. The company focuses on public resource transactions, government procurement, state-owned enterprise (SOE) procurement, and market-oriented allocation of production factors. Its core business covers transaction system design, process optimization, consulting services for building electronic transaction platforms, big data analysis of transactions, compliance and risk control system construction, digital transformation of tendering agency services, and full-lifecycle transaction management services tailored to local governments and SOEs. Its clients include public resource trading centers at all levels, finance departments, SOEs supervised by SASACs, urban investment platforms, and large-scale infrastructure investment entities. Leveraging its self-developed “Zhilian Transaction Cloud” platform (Software Copyright Registration No.: 2023SR0876542) and multiple invention patents (e.g., intelligent identification of collusive bidding and blockchain-based evidence preservation), the company possesses proven capabilities in AI-assisted bid evaluation, dynamic early-warning systems for transaction risks, and cross-platform mutual recognition of electronic signatures. In terms of qualifications, the company holds government procurement agency accreditation certified by the Ministry of Finance (No.: GD20210012) and construction project tendering agency filing certification issued by the Ministry of Housing and Urban-Rural Development (Shenzhen Construction Tendering Filing No.: [2022] 078), and has obtained ISO 9001 and ISO 27001 certifications. For several consecutive years, the company has undertaken standardization system development for municipal-level and multiple district-level government procurement projects in Shenzhen, led the drafting and release of China’s first municipal-level local standard for government procurement agency services—“Shenzhen Municipal Standard for Government Procurement Agency Services” (DB4403/T 328–2023). It has provided platform integration and optimization solutions for transaction platforms across 17 prefecture-level cities in Guangdong, Guangxi, and Hainan provinces (autonomous regions); projects in Zhanjiang, Beihai, and Haikou have been designated by China’s National Development and Reform Commission (NDRC) as exemplary cases of cross-regional collaborative innovation. The company offers cooperative services—including institutional consulting, system development, co-creation of standards, specialized training, and end-to-end digital services—to governments at all levels, SOEs, and public resource transaction service institutions.

Shanghai Zhuoran Engineering Technology Co., Ltd. (688125.SH) is a high-tech enterprise specializing in the research and development, design, manufacturing, and engineering services of petrochemical equipment. Positioned as a provider of high-end process equipment system solutions, the company has long focused on core equipment sectors within energy and chemical industries, including refining, ethylene production, aromatic hydrocarbons, and coal chemical processing. Its core businesses encompass the design and manufacturing of critical static equipment—including ethylene cracking furnaces, refinery heating furnaces, large-scale towers, reactors, and heat exchange equipment—and extend to modular skid-mounted systems, intelligent factory integration, and EPC (Engineering, Procurement, and Construction) general contracting services. Leveraging platforms such as the National Enterprise Technology Center and the Shanghai Engineering Technology Research Center for High-Temperature and High-Pressure Special Equipment, the company has secured a total of 247 authorized patents (including 72 invention patents) and has led or participated in formulating 18 standards—including national standards, industry standards, and group standards. Its core technologies focus on high-selectivity cracking, low-emission combustion control, high-temperature-resistant and coke-resistant furnace tube materials, and modular intelligent construction. Its independently developed ZRP-series cracking furnaces achieve a Cracking Outlet Temperature (COT) fluctuation of ≤ ±3°C and an operational cycle exceeding 90 days. In terms of qualifications, the company holds A1/A2-level pressure vessel design and manufacturing licenses, ASME U/U2/S stamps, PED certification, and ISO 9001/14001/45001 management system certifications; it also possesses Class-B design qualification for petrochemical and chemical engineering projects and a special equipment production license. Representative projects include those for Sinopec, CNPC, China Chem, Hengli Petrochemical, Zhejiang Petrochemical, Shenghong Refining & Chemical, and Yulong Island Refining & Chemical Integration, among other leading domestic projects. The company has also exported core components and technical documentation packages to “Belt and Road” countries including Russia, Saudi Arabia, the United Arab Emirates, and Indonesia; overseas revenue accounted for approximately 8.6% of total revenue in 2023. It offers end-to-end cooperation to domestic and international clients—from customized core equipment and modular delivery to intelligent factory construction and EPC general contracting.

Shanghai Zejia Safety Technology Service Co., Ltd. is a third-party professional organization specializing in safety production technical consulting and compliance implementation services. It focuses on delivering practical and efficient safety management solutions to small- and medium-sized industrial enterprises within manufacturing sectors, chemical industrial parks, warehousing and logistics enterprises, and construction companies. Its core business includes: guidance for achieving Level-3 safety production standardization; establishment of the dual-prevention mechanism; compliance diagnostics for identifying major accident hazards in industrial and commercial sectors per the relevant criteria; implementation support for the “New Safety Production Law” and GB/T 33000–2016; development of emergency response plans and guidance on emergency drills; compliance assessments for the use and storage of hazardous chemicals; and consulting on enterprise safety culture development. The company’s core competencies center on “regulatory applicability + on-site operational feasibility,” enabling it to deliver modularized service products such as the “First Safety Training Session of the Year” package, the “Full-Cycle Compliance Package for Hot Work,” and the “Six Key Inspection Items Checklist for Dust Explosion Hazards.” Additionally, the company has independently developed two software copyright-registered systems: “Zejia Enterprise Safety Risk Intelligent Identification and Hierarchical Control System V1.0” and “Zejia Safety Production Standardization Intelligent Benchmarking and Evaluation Platform V1.0,” supporting lightweight, digital compliance practices for small- and medium-sized enterprises. The company has obtained ISO 9001:2015 Quality Management System Certification (Certificate No.: 00122Q41234K3S). Its technical team comprises 12 practicing Certified Safety Engineers, seven of whom also hold safety production training instructor qualifications recognized by the Ministry of Emergency Management. Over the past three years, the company has completed over 180 safety production standardization consulting projects and implemented dual-prevention mechanism projects for more than 220 enterprises, achieving an average project pass rate of 96.3% (as officially announced by local emergency management departments). Its service coverage focuses on the Yangtze River Delta region, with representative cases including automotive parts manufacturers in Suzhou, hazardous chemical warehousing companies in Ningbo, and multiple specialized, sophisticated, and innovative manufacturing enterprises in Shanghai Lingang New Area. Collaboration models include specialized consulting, end-to-end guidance, customized tool development, and ongoing safety托管 services.

Shanghai Sulzer Mechanical Engineering Manufacturing Co., Ltd. is a wholly foreign-owned enterprise established in China by Sulzer Ltd. of Switzerland. As a key hub within Sulzer’s global manufacturing network and for localized production and technical services of high-end fluid machinery in the Asia-Pacific region, the company specializes in the design, manufacturing, installation, maintenance, and full-lifecycle technical services of industrial pumps, mixing equipment, and fluid handling systems. Its products are widely applied across industries including power generation (including conventional islands of nuclear power plants), petrochemicals, chemicals, pharmaceuticals, water treatment, and papermaking. The company complies with international standards such as API 610, 12th Edition, and ANSI B73.1. Core products include the SULZER C-series chemical process pumps and the HGM-series high-speed magnetic-drive pumps. Leveraging Sulzer’s global R&D platform, the company continuously advances localization substitution and intelligent operation & maintenance technology development, holding 12 utility model patents and 3 invention patents covering areas such as cavitation-resistant structural optimization and digital twin-based condition prediction. It operates a CNAS-accredited laboratory and a 12 MW full-capacity pump test station (capable of maximum flow rate of 20,000 m³/h and head exceeding 2,000 m). The company holds the “Special Equipment Production License” (for pressure piping components manufacturing, TS2731037-2027) and has achieved certification under ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. Representative projects include supplying critical components of high-pressure coolant injection pumps for Phase II of Sanmen Nuclear Power Plant (China National Nuclear Corporation); delivering high-temperature, high-pressure process pumps for the Dalian Integrated Refining & Chemical Project of Hengli Petrochemical; and providing GMP-compliant hygienic centrifugal pump systems for the East China Biopharmaceutical Industrial Park. Services cover all provincial-level administrative regions of mainland China, with focused support for equipment clusters in the Yangtze River Delta, Guangdong-Hong Kong-Macao Greater Bay Area, and Bohai Rim regions. Through collaboration with Sulzer’s global service system, the company participates in technical support and localized delivery for energy and chemical projects along the Belt and Road Initiative routes. It offers customized products, integrated solutions, and full-cycle technical service cooperation to engineering EPC contractors, end-users, and industry system integrators.

Shanghai Sishi Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, production, and sales of specialty chemicals. It operates within the chemical raw materials and chemical products manufacturing industry, with core business areas encompassing electronic chemicals, pharmaceutical intermediates, additives for novel functional materials, and custom synthesis services. The company’s primary business covers integrated circuits, flat-panel displays, and LED packaging sectors. Its flagship products include electronic-grade isopropyl alcohol (IPA) (purity up to 99.9999%, metal ion content <10 ppt), stripping solutions and post-etch cleaning solutions for micro/nano-scale processes, and high-purity specialty electronic gases and associated chemicals—meeting the stringent requirements for low metal ion residue and high stability in logic chip production lines operating at technology nodes below 28 nm. Leveraging its Shanghai Municipal Enterprise Technology Center, the company holds 12 invention patents and 8 utility model patents; its core technologies focus on formulation design and impurity control processes. It has obtained certification under three major management systems: ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018; it also holds the “Safety Production License for Hazardous Chemicals,” the “Pollution Discharge Permit,” and the “High-Tech Enterprise Certificate.” Its electronic-grade cleaning agent product series has passed the SEMI S2/S8 international safety assessment, and SGS test report SH2024-EC08872 confirms compliance with JEDEC J-STD-020D and IPC-J-STD-004B standards. Customers include leading domestic semiconductor and panel manufacturers such as Semiconductor Manufacturing International Corporation (SMIC), Hua Hong Group, BOE Technology Group, and TCL CSOT. Its service network spans East China, North China, and South China, supported by application laboratories located in Shanghai, Suzhou, and Hefei, providing localized technical support and logistics responsiveness. The company offers diversified collaboration models to industrial chain customers, including joint development, custom synthesis, process adaptation, and on-site technical services.