Jereh Group was founded in 1999 as an innovation-driven diversified industrial group. Its businesses span petroleum industrial clusters, natural gas industrial clusters, data center and power industrial clusters, and new energy industrial clusters, committed to providing customers with competitive, safe, and reliable products, services, and systematic solutions. Since its founding, we have taken sincerity as the cornerstone of Jereh's corporate culture. While continuously creating value for customers, we also contribute honesty, kindness, and respect to society. Today, our business operates in over 70 countries and regions, with more than 9,000 outstanding employees. We are open to cooperation with global partners, working together to build a more efficient and sustainable future. Currently, Jereh Group has two listed companies (Jereh Stock 002353, Deshi Stock 301158). It is a National Technology Innovation Demonstration Enterprise, National Intellectual Property Demonstration Enterprise, National Service-Oriented Manufacturing Demonstration Enterprise, and a National Quality Benchmark enterprise. The Group has 11 national high-tech enterprises and 1 National Pilot Demonstration Enterprise for Integration of New-generation Information Technology and Manufacturing. Driven by innovation, it has established more than 10 national and provincial-level scientific and technological innovation platforms, including a National Recognized Enterprise Technology Center, National Industrial Design Center, Shandong Technology Innovation Center, Shandong Manufacturing Innovation Center, and Shandong Engineering Research Center. It has 3 National Service-Oriented Manufacturing Demonstration Enterprises, 2 Shandong Science and Technology Leading Enterprises, and 3 Shandong Gazelle Enterprises. To date, it has undertaken over 90 national and local research projects, with 23 technological achievements reaching international leading standards, 11 achievements receiving provincial-level science and technology progress awards, and 4 achievements receiving provincial-level industrial design gold awards.

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.