Dalian Tonghui Construction Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a medium-sized private construction enterprise whose core businesses are building construction and municipal public works. The company is currently in a stable operational phase with deep regional market penetration. Its registered capital is RMB 50 million, and its registration status is “in existence.” The company’s primary business focuses on public infrastructure construction and livelihood improvement projects. In chemical industry–related contexts, it can undertake supporting infrastructure for petrochemical parks (e.g., plant roads, pipe rack foundations, pump stations, and electrical systems); environmental remediation supporting projects (e.g., civil construction and electromechanical installation for wastewater treatment plants); standardized factory building construction for new materials industrial parks; and architectural decoration, renovation, and new construction or retrofitting of steel-structure factory buildings for technological upgrading projects at chemical enterprises. Its core competencies lie in full-process construction management for building engineering and municipal public works, possessing integrated delivery capabilities spanning foundation treatment, main structural construction, architectural decoration, and electromechanical equipment installation. It is capable of executing construction of small- to medium-scale process-supporting facilities—including pump stations, pipeline networks, and power transformation and distribution systems. Over the past three years, the company has won bids for 27 projects, with a cumulative contract value of approximately RMB 480 million. Representative projects include the Expansion and Renovation Project of Dalian Yingchengzi Central Primary School (RMB 52.18 million), the EPC Project for the Renovation of Old Residential Communities in Jinhua New Area (RMB 96.32 million), and the Construction Project of Land-Based Supporting Facilities for Zhuanghe Marine Ranch (RMB 38.41 million). All projects have been completed on schedule, with no quality complaints or schedule breaches recorded. Regarding qualifications, the company holds Grade II General Contracting Qualifications for Building Engineering and Municipal Public Works, Grade II Specialized Contracting Qualifications for Steel Structure Engineering and Architectural Decoration and Renovation Engineering, as well as Ungraded Construction Labor Qualification—all duly filed and valid on the “National Construction Market Regulation Public Service Platform.” Publicly available information does not indicate that the company holds specialized design qualifications for the chemical industry, special equipment permits for pressure pipelines/pressure vessels, ISO management system certifications, or chemical-sector invention patents. Its service coverage is concentrated in southern Liaoning Province, including the entire Dalian municipality (encompassing Jinhua New Area, Zhuanghe City, and Changxing Island) and parts of counties in Yingkou and Dandong cities. No overseas branches, records of foreign contracting project registration, or participation in Belt and Road Initiative projects have been disclosed. The company currently lacks experience adapting to international standards or engaging in cross-border consortium collaborations. Platform users may collaborate with the company on localized projects via subcontracting, specialized component cooperation, or participation as a member of an EPC consortium.