
Dalian Dongfang Yipeng Equipment Manufacturing Co., Ltd. is located in the scenic Lüshunkou District of Dalian, Liaoning Province. The company covers an area of 158,000 square meters, including 12,000 square meters for R&D offices and apartment buildings, and 70,000 square meters for production workshops. With nearly 1,000 employees, including over 260 management and technical elites as well as key production personnel, the company is a newly emerging large-scale manufacturing enterprise that integrates the strengths of several major domestic pressure vessel manufacturers and brings together a wealth of talent.
Since 2012, the company's production capacity has exceeded 37,300 tons, including 24,000 tons of pressure vessels, 3,500 tons of petrochemical fittings, and 9,800 tons of marine equipment and offshore engineering components, with an annual output value exceeding RMB 850 million, ranking its production scale among the top three in Lüshunkou District.
In order to improve the manufacturing quality of pressure vessels, meet the manufacturing requirements of domestic and international customers for key equipment, and enhance the company's core competitiveness, the company has invested substantial funds to continuously upgrade, renovate, and procure manufacturing equipment. At present, the company's equipment capability has reached an advanced level within the domestic industry. The main equipment includes: plate bending machines with plate thickness capacities of 250mm, 120mm, and 40mm; a 12m edge planing machine; narrow-gap submerged arc automatic welding machines; nozzle saddle-type automatic submerged arc welding machines; imported strip cladding welding machines; small-diameter pipe internal cladding welding machines; various lifting equipment with a capacity of up to 600 tons; 5m and 10m CNC vertical lathes; a 200mm CNC floor-type boring machine; a 4m×4m CNC deep-hole drilling machine; a 9MeV linear accelerator; and a 6.5m×6.5m×25m large-scale heat treatment furnace. In addition, the company has established a welding laboratory, non-destructive testing room, and physical and chemical testing laboratory, capable of meeting various testing, analysis, and control requirements.
In terms of technology R&D, the company continuously adopts new technologies and develops new products. Building on its highly mature experience in the design and manufacture of pressure vessel equipment made of Cr-Mo steel, low-temperature steel, austenitic stainless steel, ferritic stainless steel, duplex steel, clad plate materials, and non-ferrous metals, the company has completed the upgrading of its product structure. The company has successively undertaken the manufacturing of 12Cr2Mo1V forged-welded hot-wall hydrogenation reactors, cold and hot high-pressure separators, gasifiers, large-diameter threaded locking ring heat exchangers and diaphragm-sealed heat exchangers, coil-wound heat exchangers, hydrotreating reactors, shift converters, synthesis towers, reboilers, and other equipment, greatly enhancing its market competitiveness. The products have been successively rated as High-Quality Products in the Chinese Market and Liaoning Province Independent Innovation Famous and Superior Products; the company has been awarded the titles of Liaoning Province Best Integrity Enterprise, Top 100 Outstanding Enterprises, and Top 100 Creditworthy Enterprises; and has received multiple honors including Dalian Contract-Abiding and Creditworthy Enterprise and Dalian Harmonious Labor Relations Enterprise.
In addition, in recent years the company has continuously expanded its overseas markets and has successively cooperated with foreign partners to manufacture large-scale plate heat exchangers for reforming units with heat exchange areas exceeding 10,000 square meters. It has also signed export contracts for large-scale equipment with the Netherlands, Kazakhstan, and Argentina. The products have been well recognized by overseas customers.
With its actions and achievements, the company has erected milestones in the development history of enterprises within the industry, while winning the trust of domestic and international customers. Facing the opportunities presented by rapid economic development, the company consistently pursues customer satisfaction by providing perfect products and impeccable service. Looking toward future development, under the care of the Lüshunkou District government, with the support of national policies, and with the backing of friends from all walks of life, the company will, as always, uphold integrity-driven management and precision manufacturing, striving to be a trustworthy enterprise and to manufacture trustworthy products.
















