Dalian Ruixue Refrigeration Equipment Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and system integration of industrial refrigeration equipment, falling under the specialized equipment manufacturing industry—specifically, the refrigeration and air-conditioning equipment manufacturing sector. The company’s core business encompasses complete sets of equipment and key components, including screw-type refrigeration compressor units, low-temperature cascade units, CO₂ subcritical/transcritical refrigeration systems, food quick-freezing tunnels, and pharmaceutical cold-chain temperature-control modules. Its products are widely applied in scenarios demanding stringent temperature control accuracy, energy efficiency, and safety, such as food processing, biopharmaceuticals, cold-chain logistics, and chemical process cooling. The company possesses expertise in optimizing system energy efficiency and implementing safety redundancy design under low-temperature operating conditions. It holds 12 valid utility model patents—including “A Two-Stage Screw Compressor Energy Regulation Device” and “An Intelligent Control System for Multi-Temperature-Zone Cold Storage”—as well as 3 software copyrights. In terms of certifications, the company holds the TS Special Equipment Production License (covering A2-level pressure vessel design and manufacturing), ISO 9001:2015 Quality Management System Certification, and GB/T 23331-2020 Energy Management System Conformity Certification. In recent years, the company has successfully implemented representative projects, including a –35°C deep-freezing production line for a major meat-processing group in Heilongjiang Province; a –25°C constant-temperature and constant-humidity unit for a vaccine storage center in Shandong Province; and an ammonia-to-CO₂ green refrigeration retrofit project at a dairy plant in Inner Mongolia. Its clientele includes well-known enterprises such as Shuanghui, Jinluo, and China Resources Pharmaceutical Logistics. Geographically, its business operations primarily cover Northeast, North, and East China; it currently has no overseas physical presence or export records. Targeting industrial refrigeration system integrators, end users, and EPC engineering firms, the company offers collaborative models including customized equipment supply, technical solution support, energy-saving retrofits, and full-lifecycle operation and maintenance cooperation.

Xiangyang Wuerwu Pump Industry Co., Ltd. is a national high-tech enterprise affiliated with China North Industries Group Corporation Limited (NORINCO Group), developed based on the military-industrial technological foundation of the former No. 525 Research Institute. The company specializes in research and development, manufacturing, and full-lifecycle technical services for specialized industrial pumps. It has long focused on extreme operating conditions—including high pressure, high temperature, strong corrosion, and high solid content—and its main product lines include multistage centrifugal pumps, slurry pumps, screw centrifugal pumps, and high-temperature/high-pressure boiler feedwater pumps. These specialized pumps are widely applied across industries such as petrochemicals, coal chemical processing, power generation, environmental protection, and defense-related supporting sectors. Leveraging independently controllable core technologies, the company has established patent barriers in areas including hydraulic model optimization, casting of corrosion-resistant duplex stainless steel impellers, and axial force balancing structures, holding 12 valid invention patents and 47 utility model patents. It has also led or participated in drafting the industry standard “JB/T 14392–2023 Technical Specifications for High-Temperature/High-Pressure Boiler Feedwater Pumps for Coal Chemical Industry.” In terms of certifications, the company has obtained ISO 9001, ISO 14001, and ISO 45001 management system certifications; holds a “Special Equipment Production License” (Grade B pumps); and certain products comply with API RP 610, 12th Edition. Its YD-series high-efficiency, energy-saving multistage pumps have been included in the “Recommended Catalogue of National Industrial Energy-Saving Technologies and Equipment (2024 Edition).” Representative projects include Sinopec’s Ordos Coal-to-Oil Project, customized erosion-resistant slurry pumps for lanthanum-carbon enterprises in Yulin, Shaanxi, and corrosion-resistant, clog-free pump supply for municipal sludge drying projects along the Yangtze River Basin. Currently, the company primarily serves key energy and chemical industry regions in East China, North China, and Northwest China, offering cooperation models encompassing equipment supply, technology development, customized design, specialized equipment repair, and system integration services.

Zouping Hongxu Thermal Power Co., Ltd. is a regional cogeneration enterprise based in Zouping City and dedicated to providing industrial heating supporting services. Its core businesses include heat production and supply, power generation (limited to branch operations), coal sales, installation and maintenance of heating equipment, and consulting services for heating technologies. The company primarily serves industrial parks and surrounding industrial enterprises within Zouping City, delivering stable and reliable industrial steam and centralized heating services; its operations exhibit distinct regional and public utility characteristics. Leveraging localized operational capabilities, the company possesses practical experience in implementing small- and medium-scale heating infrastructure projects—such as heating pipeline maintenance and repair, procurement of heat exchange station equipment, and upgrades to steam metering systems—serving regional manufacturing enterprises and industrial park clients. Collaborative efforts focus on pragmatic energy service scenarios, including industrial steam supply, operation and maintenance support for park heating systems, integrated heating equipment solutions, and technical consulting.

Zhongsha (Tianjin) Petrochemical Co., Ltd. is a large-scale Sino-foreign joint venture petrochemical enterprise jointly established in 2009 by Sinopec and Saudi Aramco. It serves as a backbone producer in China’s olefin industry chain and represents a landmark achievement of the strategic energy and chemical cooperation between China and Saudi Arabia. The company focuses on research, development, production, and sales of ethylene and its high-value-added downstream derivatives. Its primary products include ethylene, styrene, high-density polyethylene (HDPE), low-density polyethylene (LDPE), and ethylene glycol, which are widely applied in synthetic resins, synthetic rubber, surfactants, and advanced chemical materials—deeply supporting the demands of advanced manufacturing and new-materials industries in the Beijing-Tianjin-Hebei region. Leveraging its independently integrated CBL ethylene cracking technology and continuous technological upgrading capabilities, the company achieves an annual total ethylene production capacity of 2.3 million tons (one of the largest single-site capacities in China), with over 90% localization rate of key equipment and more than 20 authorized invention patents covering areas such as cracking depth control, quench optimization, and green separation. The company has obtained certifications for ISO 9001, ISO 14001, ISO 45001, and API Q1 management systems; holds licenses for safe production of hazardous chemicals, pollutant discharge, and energy management systems; and has been consecutively recognized as a Sinopec Green Enterprise (2022–2024). Its HDPE products have passed EU REACH certification, and its LDPE has been designated an “Excellent Product” by the industry. The company has led or participated in revising national standards, including “Minimum Energy Efficiency Requirements and Energy Efficiency Grades for Ethylene Plants.” Located in the Tianjin Nan’gang Industrial Zone, the company strengthens collaborative supply with Sinopec’s refining and petrochemical business units and downstream enterprises such as Wanhua Chemical and Kingfa Technology, focusing on ensuring stable domestic supply of high-end chemical raw materials. It offers multi-dimensional cooperation to upstream and downstream industrial chain partners—including high-quality ethylene-based raw materials, technical collaboration, joint standard development, and green, low-carbon solutions.

CNOOC Energy Technology & Services Limited (Stock Code: 601808.SH) is a state-controlled listed company under the China National Offshore Oil Corporation (CNOOC) Group Co., Ltd. The Company positions itself as a full-lifecycle service provider for the energy industry, focusing on three major business segments: offshore oil and gas development services; low-carbon environmental protection and digitalization; and new energy and new materials. Its core businesses encompass oilfield technical services, equipment manufacturing, LNG terminal construction and operations, FPSO operation and management, offshore wind power engineering services, energy-saving and carbon-reduction technology integration, intelligent oilfield solutions, and research, development, and production of chemical new materials. Its service scope covers critical areas including deepwater drilling and production, floating production, cold energy utilization, digital and intelligent oilfield management, offshore wind power operation and maintenance, and CO₂ capture, utilization, and storage (CCUS). Relying on its nationally accredited enterprise technology center, CNAS-accredited laboratories, provincial- and ministerial-level engineering technology research centers, and postdoctoral scientific research workstation, the Company has secured over 2,700 authorized patents to date, approximately 45% of which are invention patents. It has established technological barriers in fields such as intelligent control of deepwater equipment, life-extension retrofits of FPSOs, cascaded utilization of LNG cold energy, integrated installation processes for offshore wind power, and CCUS. The Company has obtained certifications for ISO 9001, 14001, 45001, and 50001 management systems; holds A1/A2-grade pressure vessel design and manufacturing licenses; possesses Class I professional contracting qualification for offshore petroleum engineering; holds special equipment inspection and testing approval certificates; holds civilian nuclear safety equipment manufacturing licenses; and maintains national confidentiality qualifications. It also complies with API and IMO international standards. Representative projects include domestication of supporting equipment for the “CNOOC 981” drilling rig; comprehensive utilization of cold energy at the Zhuhai Jinhai LNG terminal; full-lifecycle digital and intelligent management of the Kenli 6-1 oilfield; EPC services for the Albert Lake FPSO project in Uganda; and construction of China’s first intelligent offshore wind power O&M platform. The Company has led the formulation of 12 industry standards. Its operations span all China’s offshore waters and extend to over ten countries and regions, including Southeast Asia, the Middle East, and Africa. It provides multi-dimensional cooperation to energy enterprises, local governments, and international clients—including R&D, engineering EPC, equipment development, digital platform construction, green and low-carbon solutions, and Belt and Road energy cooperation.