Dalian Dafa Casting Co., Ltd. is affiliated to China Shipbuilding Group Co., Ltd. (CSSC) Dalian Marine Valve Co., Ltd. (DMV). It is a professional factory producing valve castings, ship inspection castings, marine engineering castings, petrochemical castings, mining machinery castings, rubber seals, etc. The company is located in puwan New District of Dalian, covering an area of more than 200000 square meters and a building area of more than 60000 square meters. It is the casting production base of Dalian Marine Valve Co., Ltd. and also undertakes to produce various castings. The company has complete casting processes and methods, including sand mold casting (clay sand, water glass sand, furan resin sand, phenolic resin sand), metal mold casting, centrifugal casting, silica sol and water glass composite investment casting, etc. it can produce castings of carbon steel, stainless steel, alloy steel, gray cast iron, ductile iron, copper alloy, aluminum alloy, zinc alloy, titanium alloy and other materials, with a single weight of more than 30 tons, The annual production capacity is more than 10000 tons. In 2010, the company won the title of top 100 comprehensive enterprises of China Foundry Association; In 2011, the company was rated as "one thousand key backbone enterprises in China's foundry industry" by China Foundry Association.

In 1996, the company passed the GB / T19001-ISO9001 quality management system certification of China new era Certification Center, and in 2009, it passed the British Lloyd's (LR) quality management system certification. Since 1984, it has successively obtained the factory approval of China (CCS) and France (BV) classification societies, as well as the production approval certificates of carbon steel, stainless steel, alloy steel, gray cast iron, ductile iron, copper alloy and other castings of classification societies such as the United Kingdom (LR), Norway (DNV), Germany (GL), the United States (ABS), Italy (Rina), Japan (NK), South Korea (KR) and Russia (RS); In 2003, it passed the American Petroleum Institute certification (API) and the European Community (CE) certification; In 2009, it obtained the PED certification (casting materials) of the European Pressure Equipment Directive. It is a casting company with complete certification of classification society in the same industry in China.

The company has strong technical force, including 2 researcher level senior engineers, 13 senior engineers, 9 junior and intermediate engineers, 20 quality control personnel, and AnyCasting (Korea) casting simulation analysis software. The production and testing equipment is complete and advanced: the main production equipment includes 1 production line of 10t furan resin sand, 1 production line of 15t alkali phenolic resin sand, 2 4T cupola furnaces, 3 0.5T oil crucible furnaces, 13 0.15-10t medium frequency induction furnaces, 1 10t electric arc furnace, 1 5taod furnace, 1 0.15t and 0.5T shell furnace, 5 casting centrifuges, 1 80-t and 50-t liquefied gas heat treatment furnace A complete set of investment casting equipment (capable of producing precision castings with a single weight of less than 120 kg), one aluminum alloy heat treatment furnace, five resistance furnaces and a large number of machining machines. The testing equipment mainly includes German spec direct reading spectrometer, American hand-held alloy analyzer, various chemical analysis instruments, microcomputer digital display universal material testing machine, impact testing machine (20 ～ - 196 ℃ impact test), Japanese Olympus metallographic analyzer, vertical metallographic microscope, portable on-site metallographic tester, ultrasonic flaw detector, Japan electric machinery Co., Ltd. 3000A magnetic particle flaw detector All kinds of hardness meters (including one Richter hardness meter), ultrasonic thickness gauge, portable thermometer and other conventional testing equipment can meet the production requirements of various castings. Dalian Marine Valve Co., Ltd. is one of the top 500 enterprises in China's machinery industry. It has advanced machining equipment such as machining centers and CNC machine tools made in Germany, the United States and Japan, which provides capacity assurance for the machining of castings produced by the company.

The valve castings produced by the company for ships and marine engineering are sold to major shipyards in China, and some products are exported to the United States, Germany, the Netherlands, Norway, Singapore, Malaysia, Japan, South Korea and other countries and regions. The product quality is stable and reliable, which has been recognized by classification societies of various countries, and has been highly praised by shipyards, shipowners and other customers. In the past decade, the company has gradually expanded its production capacity and adjusted its product structure. Its casting products have covered various fields such as ships, mining machinery, petrochemical industry, machine tool equipment, automobiles, marine engineering and nuclear power. Its excellent quality and considerate service have been widely praised by customers at home and abroad.

The company always adheres to the quality policy of "excellent quality, customer satisfaction, pursuit of better quality, and never-ending". Based on the business philosophy of mutual benefit and common development, we are willing to cooperate with friends from all over the world wholeheartedly to create a better tomorrow!