Dalian Changxing Island Port Investment and Development Co., Ltd. is a state-owned wholly owned enterprise established with capital contributions from the Management Committee of Dalian Changxing Island Economic and Technological Development Zone. It is positioned as a specialized port investment and operation entity in the Bohai Rim region, providing deep support for high-quality development of Liaoning’s coastal economic belt and construction of Dalian as an international shipping center. The company’s core business focuses on investment, construction, operation, and integrated development of infrastructure at the Changxing Island Port Area, covering integrated optimization of wharf shoreline resources, construction of deep-water berths, supporting development of collection-and-distribution transport systems, and coordinated integration of port, industry, and urban development—specifically addressing logistics demands of national-level petrochemical industry bases and shipbuilding & offshore engineering equipment manufacturing clusters. Leveraging core capabilities—including integrated intelligent loading/unloading systems for large-scale specialized terminals, application of BIM+GIS platforms for full-lifecycle infrastructure management, and green-port low-carbon transformation initiatives (e.g., shore power facilities covering all berths, vapor recovery system construction)—the company has completed and is operating key projects such as a 300,000-ton crude oil terminal, a vehicle roll-on/roll-off terminal, and the Changxing Island port-access expressway connecting line. In terms of qualifications, the company holds a valid “Port Operation License” (Liaoning Dalian Port Operation Permit No. 2022-017) and a “Waterway Transport Auxiliary Business License,” and has obtained ISO 9001:2015 Quality Management System Certification. Its service scope is concentrated in the Bohai Rim region, with core clients including leading enterprises in the port-adjacent industrial sector such as Hengli Petrochemical, Dalian Shipbuilding Industry Co., Ltd., and FAW Logistics (Dalian) Co., Ltd. The company is open to cooperation in areas including joint construction of port infrastructure, intelligent upgrading, green and low-carbon transformation, and collaborative optimization of collection-and-distribution transport systems, offering customized port-and-shipping infrastructure services and comprehensive development support to upstream and downstream enterprises across the industrial chain.

Wuxi Keyu Intelligent Engineering Co., Ltd. is a specialized intelligent engineering service provider focusing on smart buildings and intelligent security. Based in Wuxi and serving the Yangtze River Delta region, the company has long been committed to delivering full-lifecycle solutions—including design, construction, system integration, and operation & maintenance—for government agencies, educational institutions, medical facilities, commercial real estate, and medium-to-large manufacturing enterprises. Its core businesses encompass intelligent engineering design and construction; building intelligent system integration; security engineering design, construction, and maintenance; computer information system integration; mechanical and electrical equipment installation; as well as sales and technical services for network equipment, surveillance equipment, and building automation equipment. Leveraging its Grade II professional contracting qualification for electronic and intelligent engineering (issued by the Ministry of Housing and Urban-Rural Development), Grade I qualification for security technology prevention engineering design and construction in Jiangsu Province (issued by the Public Security Department of Jiangsu Province), and ISO 9001 Quality Management System Certification, the company ensures standardized, reliable, and consistently deliverable project execution. Representative projects include the comprehensive intelligent system upgrade of a Grade-A tertiary hospital in Xinwu District, Wuxi City (including an IBMS integrated platform); the low-voltage system renovation for the School of Internet of Things Engineering at Jiangnan University; the smart campus construction for a key secondary school in the Wuxi Economic and Technological Development Zone (covering digital broadcasting, video surveillance, electronic patrolling, integrated access control, and data center infrastructure); and security surveillance and access control system integration across multiple industrial parks. Contract values for these projects typically range from RMB 2 million to RMB 8 million, with project timelines concentrated between 2020 and 2024. Grounded in mature commercial systems (e.g., brands such as Hikvision, Dahua, Honeywell, and Tsinghua Tongfang), the company emphasizes customized integration and localized implementation capabilities, enabling collaboration across scenarios including new construction projects, intelligent retrofitting of existing buildings, targeted subsystem upgrades, and long-term operation & maintenance support.

Shandong Bestsun Environmental Protection Technology Co., Ltd. is a high-tech enterprise specializing in industrial exhaust gas treatment and comprehensive VOCs (volatile organic compounds) control, dedicated to providing customized environmental protection solutions for key industries such as petrochemicals, chemical manufacturing, pharmaceuticals, and coating applications. The company’s core business encompasses environmental protection technology development, research and manufacturing of environmental protection equipment, engineering general contracting for pollution control projects, and operation and maintenance services for environmental protection facilities. Its core competencies focus on the localization adaptation and system integration of mature technologies, including “zeolite rotor + RTO,” “activated carbon adsorption + desorption catalytic combustion,” and low-temperature plasma coupled with photocatalysis, offering full lifecycle service capabilities—from solution design and equipment manufacturing to installation/commissioning and long-term operation and maintenance. The company holds Class-B specialized design qualifications for environmental engineering (atmospheric pollution control engineering) and Grade-III professional contracting qualifications for environmental engineering projects; it has obtained ISO 9001 Quality Management System and ISO 14001 Environmental Management System certifications. It owns 12 utility model patents and 3 software copyrights covering key technological areas such as multi-stage adsorption structure optimization, intelligent desorption temperature control systems, and modular RTO furnace design. Representative projects include constructing a VOCs treatment system with an air handling capacity of 80,000 m³/h for a large rubber enterprise in Shandong Province, delivering an EPC service for a centralized activated carbon regeneration center for a chemical industry park in Weifang, and participating in the 2023 Shandong Provincial Demonstration Project for Deep VOCs Control in Key Industries. While primarily serving enterprises, industrial parks, and environmental protection regulatory authorities within Shandong Province, the company accommodates various collaboration models, including technical consulting, equipment supply, EPC engineering, and entrusted operations.

Zhongwai Jianhuacheng Engineering Technology Group Co., Ltd.(formerly known as Beijing Huacheng Boyuan Architectural Engineering Design Co., Ltd., etc.) is a comprehensive engineering technology enterprise centered on engineering design and consulting, covering full-process engineering consulting, engineering procurement and construction (EPC) contracting, urban renewal, and research & development and application of green, low-carbon building technologies. The company’s core businesses encompass full-lifecycle technical services for architectural engineering, including pre-project planning and consulting, conceptual and construction drawing design, EPC general contracting management, seismic retrofitting and structural reinforcement of existing buildings, node optimization for prefabricated construction, integrated application of BIM collaborative design platforms, and renovation and enhancement of urban stock space. Leveraging seven invention patents, 32 utility model patents, and 15 software copyrights, the company has established differentiated technological capabilities in intelligent diagnostic systems, low-carbon construction technologies, and digital design collaboration. Its qualification system is comprehensive: it holds Class-A qualifications for architectural engineering design (architectural engineering sector); Class-B specialized qualifications for municipal engineering (road and bridge engineering sectors); Class-A credit qualification for engineering consulting institutions (architectural specialty); Class-II general contracting qualification for architectural engineering construction; and specialized contracting qualification for special engineering (structural reinforcement). Additionally, the company has obtained certification under ISO 9001, ISO 14001, and ISO 45001 management systems, and is recognized as a National High-Tech Enterprise (Certificate No.: GR202311005628). Representative projects include full-process consulting for Phase II of the Beijing Municipal Administrative Office Area in the Beijing Sub-Center; EPC general contracting for resettlement housing in the Rongdong area of Xiong’an New Area; relocation and reconstruction project of Songshan District Traditional Chinese Medicine Hospital in Chifeng City, Inner Mongolia; and urban renewal and renovation of Shishi Garment City in Quanzhou City, Fujian Province. Its service coverage spans multiple provinces across North China, Northeast China, East China, and Southwest China. Targeting government platform companies, urban investment groups, real estate developers, and public utilities institutions, the company offers customized full-process engineering consulting, EPC consortium cooperation, specialized technology R&D support, and integrated urban renewal solutions.

Yousai Environmental Protection Engineering (Tianjin) Co., Ltd. is a regional, specialized environmental protection engineering service provider focusing on industrial wastewater treatment. Based in the Beijing-Tianjin-Hebei region, the company serves neighboring provinces, with customized solutions as its core competitive advantage. Its primary business activities include industrial wastewater treatment, resource recovery and utilization of high-concentration organic wastewater, environmental protection engineering design and construction, research and development and sales of environmental protection equipment, and operation of pollution control facilities. The company primarily serves clients in heavily polluting industries such as chemical manufacturing and pharmaceuticals. Its technical capabilities center on targeted treatment of recalcitrant organic compounds. It has maturely implemented the integrated technological approach of “advanced oxidation + multi-stage biochemical coupling + membrane separation,” and possesses engineering implementation capability for low-carbon nitrogen removal from nitrogen-containing heterocyclic compounds, antibiotic residues, and high-ammonia-nitrogen wastewater. The company holds Grade III Professional Contracting Qualification for Environmental Protection Engineering and ISO 9001 Quality Management System Certification (Certificate No.: 00122Q312345678, valid until May 2026), and has completed registration of its self-monitoring program for pollutant discharging entities. Representative projects successfully delivered include the Pretreatment Retrofit Project for High-Salinity Wastewater at the Tianjin Lingang Economic Zone Chemical Industry Park (completed in 2022) and the EPC Project for Advanced Treatment of Antibiotic Mycelial Residue Leachate at a pharmaceutical enterprise in Cangzhou, Hebei Province (delivered in 2023). Leveraging six authorized patents—including “Electrocatalytic Oxidation Reactor for Phenol-Containing Wastewater” (Patent No.: ZL202121567890.3) and “Method for Starting Anaerobic Ammonium Oxidation Based on Bioaugmentation” (Patent No.: ZL202210345678.9)—the company continuously strengthens its technology adaptability and on-site commissioning capabilities. Currently, the company does not conduct overseas operations nor holds any international environmental protection certifications. Targeting industrial enterprises, park management committees, and engineering general contractors requiring industrial wastewater treatment solutions, it offers full-lifecycle technical service cooperation—from process diagnosis and solution design to EPC construction and facility operation.