Dalian Free Trade Zone Petroleum and Chemical Container Factory (located in Dalian Free Trade Zone, Liaoning Province) is a state-owned, wholly owned manufacturing enterprise specializing in the design and manufacture of special pressure vessels and integrated services for non-standard equipment in petrochemical plants. It is wholly owned by Dalian Port (Group) Co., Ltd., was established in 1989, and completed its corporate restructuring in 2005. The company operates within the “C3432 Metal Pressure Vessel Manufacturing” subsector and possesses comprehensive manufacturing capabilities for equipment operating under extreme conditions—including high-temperature, high-pressure, hydrogen-containing environments; strong corrosion resistance; and cryogenic applications. Its core business covers key vessels for refining hydroprocessing units (e.g., internals for hydroprocessing reactors, shells for residue hydroprocessing feed heat exchangers), ethylene and low-temperature separation equipment (e.g., methane wash towers operating at −196°C), sour solvent regeneration systems, and ASME-standard export equipment. Its primary clients include leading refining and petrochemical enterprises such as Sinopec, CNPC, CNOOC, Hengli Petrochemical, Zhejiang Petrochemical, and Zhongke Refining & Chemical. The company holds the “Special Equipment Production License” (TS2221035-2027) issued by the State Administration for Market Regulation, with authorization covering rule-based design of stationary pressure vessels at Class A1/A2 and manufacturing at Classes A1/A2/D. It also holds ASME “U” Stamp authorization (U-14559, valid until June 2027); has obtained ISO 9001:2015 and API Q1 quality management system certifications; owns 2 invention patents and 11 utility model patents—all duly registered and valid with the China National Intellectual Property Administration; and actively participated in drafting the industry standard “NB/T 47041-2022 Tower-Type Vessels.” Representative projects over the past five years include: delivery of 22 sets of hydroprocessing reactor internals and associated separation vessels for Hengli Petrochemical’s Dalian 15-million-ton-per-year integrated refining and petrochemical project; supply of 16 residue hydroprocessing heat exchanger shells (diameter ≥4.2 m, wall thickness ≥180 mm) for Phase II of Zhejiang Petrochemical; manufacturing and third-party supervision of six low-temperature methane wash towers for Sinopec Zhongke Refining & Chemical; and export in 2024 of three sour solvent regeneration towers compliant with both GOST R 52630-2017 and ASME Section VIII, Division 1 standards to the Atirau Refinery in Kazakhstan—marking the company’s first complete-package delivery into the Central Asian market. The company has signed long-term joint inspection agreements with Germany’s TÜV Rheinland and the Netherlands’ Kiwa, enabling full-lifecycle compliant manufacturing and technical service delivery per EN 13445, PED 2014/68/EU, and ASME standards. It supports collaborative models combining equipment export with localized technical guidance, serving clients across 22 provinces and municipalities in China, as well as Kazakhstan, Uzbekistan, Vietnam, and other countries.