Dalian Jinzhou Gaohong Gas Factory is located in Hongta Village, Yongzheng Subdistrict, Jinhua District, Dalian City, Liaoning Province. Established in 2005, it is a personally owned enterprise that has operated continuously for nearly two decades. The factory specializes in the production, filling, and sale of industrial gases and functions as a regional foundational gas service provider. Its business covers Dalian City and surrounding cities including Yingkou and Dandong, focusing on on-site gas supply and bottled-gas delivery for small- and medium-sized manufacturing customers. Core business activities include the full-process filling and sale of oxygen, nitrogen, argon, carbon dioxide, acetylene, hydrogen, liquid oxygen, liquid nitrogen, liquid argon, and dissolved acetylene. Typical application scenarios encompass metal welding and cutting in mechanical processing, inert gas protection for food preservation, medical gas supply to healthcare facilities, and small- to medium-scale chemical and manufacturing processes such as metal heat treatment and electronic component cleaning. The enterprise possesses filling capabilities for mobile pressure vessels (liquid oxygen, liquid nitrogen, liquid argon) and conducts compliant operations under its self-held Special Equipment Production License (TS2221025-2026) and Hazardous Chemicals Business License (Liaoning (Dalian) Emergency Management Hazardous Chemicals Business Permit No. [2023] 0087, valid until June 28, 2026). It holds an Emission Permit issued by the Ministry of Ecology and Environment (Permit No.: 91210213MA0UQYJL7T001V), authorizing emissions of non-methane total hydrocarbons, particulate matter, and noise, in compliance with standards GB16297-1996 and GB12348-2008. Over the past three years, the enterprise has consistently received no major hazard rectification items during “dual-random” inspections conducted by the Liaoning Provincial Department of Emergency Management, reflecting sound safety production records. Publicly available information does not indicate possession of ISO management system certifications, designation as a High-Tech Enterprise, recognition as a “Specialized, Refined, Distinctive, and Innovative” enterprise, independently developed patents, or participation in industry standard development. Representative performance includes stable service provision to small- and medium-sized mechanical processing plants, food processing enterprises, and primary-level medical institutions across Northeast China, offering customized bottled-gas delivery and on-site low-temperature liquid storage tank gas supply solutions; however, specific project names or large-scale chemical plant support cases are not disclosed. The enterprise’s current service scope is limited to the domestic Northeast region; it lacks overseas investment registration, Authorized Economic Operator (AEO) certification, registration as an importer/exporter of goods, or international client collaboration cases. Publicly available information does not indicate multilingual service capability, overseas engineering delivery experience, or technology licensing export capacity. Its primary cooperation models consist of localized gas filling and sales, demand-based delivery, and leasing of small-scale on-site gas supply systems.

Carbon Suo (Hangzhou) Energy and Environmental Technology Co., Ltd. is a regional technology service provider specializing in energy system optimization and integrated environmental governance under carbon neutrality pathways. Based in Zhejiang Province, the company delivers lightweight, localized carbon management solutions to small- and medium-sized energy-consuming entities. Its core business encompasses carbon emission monitoring and accounting services, energy audits and energy efficiency diagnostics, green and low-carbon solution design, environmental protection technical consulting, and contract energy management. Service scenarios primarily target compliance support and awareness-building for industrial parks, data centers, and small- and medium-sized manufacturing enterprises. The company’s core capability lies in integrating third-party data interfaces—such as the Green Electricity Traceability Platform of the Power Exchange Center and Zhejiang Province’s Carbon Inclusion Platform—with customized Excel toolkits, offline training, and pathway recommendations, thereby establishing a delivery model centered on “data referencing + localized response.” The company has provided foundational carbon emission accounting and green electricity procurement pathway recommendations for a data center in Hangzhou’s Yunqi Town and participated in the “Public Welfare Initiative for Enhancing Carbon Management Capabilities of Micro-enterprises,” organized by the Hangzhou Municipal Ecological Environment Bureau, serving approximately 40 small- and medium-sized manufacturing enterprises across Yuhang and Linping districts. Currently, the company holds no national high-tech enterprise certification, no “Specialized, Refined, Distinctive, and Innovative” (Zhuan Jing Te Xin) designation, no CMA/CNAS accreditation, and no ISO 14064 or ISO 50001 certification; it also possesses no authorized invention patents nor any publicly documented self-developed software or hardware products. Its operations are confined to Zhejiang Province, with no cross-border business activities or outward investments undertaken to date. Potential collaboration areas include regional park-level carbon inventory support, joint promotion of energy efficiency improvements for industrial and commercial users, training on implementation of “dual carbon” policies, and practical project coordination for co-building green and low-carbon service ecosystems.

China CNTC International Tendering Co., Ltd. was established in 2004. It is a professional tendering agency approved by the State-owned Assets Supervision and Administration Commission of the State Council and controlled by China International Engineering Consulting Co., Ltd. The company positions itself as a full-chain, full-category tendering and procurement service provider, and has long served central government ministries and commissions, central state-owned enterprise groups, local governments, and large-scale infrastructure project entities. Its core business encompasses tendering agency services, government procurement agency services, non-tender procurement (including competitive negotiation, request-for-quotation, and bidding), whole-process engineering consultancy, cost consultancy, operation of electronic tendering and bidding platforms, and research and training on tendering and bidding policies. Leveraging its independently developed and controllable “China Zhongzhao United Electronic Tendering and Bidding Platform,” the company possesses digital service capabilities compliant with the Measures for Electronic Tendering and Bidding and the national standard GB/T 38357–2019, and has connected to the China Public Service Platform for Tendering and Bidding. It has been recognized by the China Tendering and Bidding Association as an “Innovative Practice Case of Electronic Tendering and Procurement.” In terms of qualifications, the company holds Class-A qualifications for tendering agency services for central government investment projects granted by the National Development and Reform Commission, Class-A qualifications for tendering agency services for construction projects granted by the Ministry of Housing and Urban-Rural Development, and government procurement agency qualifications granted by the Ministry of Finance. It is among the earliest domestic institutions to obtain dual Class-A qualifications and remains a leader in the industry. To date, the company has completed over 100,000 tendering and procurement projects, with winning bid amounts exceeding RMB 2.6 trillion. Representative projects include the electromechanical equipment tendering for the Baihetan Hydropower Station, the EPC tendering for municipal engineering in the Xiong’an New Area Launch Zone, and the tendering for supporting infrastructure projects of the national computing power hub node (Qingyang, Gansu) data center cluster. Its client base covers State Grid Corporation of China, China National Petroleum Corporation, China Mobile Communications Group Co., Ltd., China Development Bank, China State Railway Group Co., Ltd., and finance and development planning departments across all 31 provinces (autonomous regions and municipalities). The company employs over 600 professionals, more than 45% of whom hold senior professional titles or registered professional qualifications. It maintains branches or cooperative service centers in over 20 key cities—including Beijing, Shanghai, Guangzhou, Xi’an, Chengdu, and Wuhan—and provides customized tendering and procurement solutions and collaborative services for sectors including energy, transportation, water resources, municipal works, information and communications, healthcare, education, and scientific research.