2025-10-10
MORE+
2025-07-02
MORE+
2025-06-06
MORE+
Cryogenic Industry
This is application for cryogenic industry. We participated many important LNG terminal projects in past 10 years which design temperature would reach -196 ℃. Especially for liquid hydrogen and liquid helium service condition，the valve operation temperature would reach below -250 ℃.
Refining & Petrochemical Industry
For refining and petrochemical application, we also participated many important projects in china. The maximum size up to 20in. The material is covering Carbon Steel, Alloy Steel, Stainless Steel, Duplex-SS, Ni-Alloys, etc.
Air Separation Industry
We have a rich performance in the air separation industry and strive to become a first-class safety valve manufacturer. we cooperated with the foremost companies in globe over past 10 years, especially Linde and air liquid. We provide a large number of cryogenic relief valves on their projects every year.
Coal Chemical Industry
Our safety valves are widely used in the whole coal chemical industry, such as coal to olefin, coal to liquid, coal to gas. The working condition is very harsh and the medium is containing the corrosive and coal impurities. So such service condition shall need high performance valves.
Fine Chemical Industry
Our safety valve factory already offered almost kinds of high-quality safety valves for fine chemical industry. The pressure rating range is from class 150 to class 2500, the size is from 2in to 20in. The valve range is covering safety relief valve, tanker breathe valve and change over valve.
Steam Turbine Industry
Our company is specialized in the design and manufacture of safety valves in the steam turbine industry. We cooperated with the foremost turbine companies in china. Our products assembled with their turbine equipment, and together offered to the client.
Consultancy
With over 200 experienced technical engineers, specialized in valve solutions, DWMC will review valve specifications and services to provide fit for purpose valve selection, application support, as well as customized valve solutions. With our technical expertise, application engineers are available for site visits to review issues and provide comprehensive recommendations to evaluate difficult flow control conditions.
Training
As an added value to our clients, DWMC will meet with customers to provide training and guidance on important issues such as valve technology, proper maintenance, operation, preservation, and handling. In addition, we regularly organize technical & quality seminars to enhance the exchange between DWMC and our clients.
Commissioning & Start up
DWMC offers prestart-up application support during project commissioning which ranges from valve inspection, oversight of installation, to system analysis before start-up, as well as long-term periodic follow-up of installed valves. With our professional support, we can ensure the prolonged service life of your DWMC valve products.
Aftersales Service
With our global service network, DWMC offers our clients the operational support available for technical, commercial, application, in plant inspection, or to immediately address any product concerns. We strive to keep close cooperation with our customers, providing long term service for all DWMC products.
Wujiang Dongwu Machinery Co., Ltd. was founded in 1954. In 1998, aligning with the tide of the times, it underwent shareholding reform to establish a modern enterprise. As a high-tech company specializing in the production of safety valves and Pressure/Vacuum Relief Valve, it has consistently focused on the manufacturing and R&D of these products. The company is committed to enhancing its engineering support capabilities and innovation capacity for safety valves and Pressure/Vacuum Relief Valve, enabling it to provide comprehensive solutions for diverse emerging industrial demands. DWMC's safety valves and Pressure/Vacuum Relief Valve have earned recognition for their quality and continuous innovation from major end-users and engineering firms worldwide. They are extensively deployed across demanding global industrial sectors with high-volume requirements, including refining, petrochemicals, coal chemical processing, offshore engineering, air separation, liquefied natural gas (LNG), nuclear power, conventional power generation, long-distance pipelines, water treatment, and renewable/green energy applications.
DWMC joined the Neway Group in 2011, adopting the Group's advanced management philosophy and implementing the SAP system to manage the entire process from demand and procurement to production, enabling real-time progress updates. We have established relevant facilities including hot-state full-performance test rigs, cold-state full-performance test rigs, cryogenic test rigs, and cleanrooms, ensuring our products are safer and more reliable.
1954
30000
㎡
100
+
40
+
