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    <title>Duwa Piping(dwpiping)</title>
    <description>Duwa Piping Company is a leading flange manufacturer, pipe fitting supplier in China, provides superior quality flanges, pipe fittings for industries.</description>
    <pubDate>Sun, 05 Jul 2026 06:05:02 +0000</pubDate>
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    <link>http://www.dwpiping.com/</link>
    <author>sales@dwpiping.com (Duwa Piping)</author>
    <dc:creator>Duwa Piping</dc:creator>
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      <title>Find Reliable China Manufacturers Portal-CNMFRS.com</title>
      <description><![CDATA[CNMFRS.com Provides a Diverse Directory of Chinese Factories and Suppliers, Categorized for Efficient Search Results. Offering Extensive Product Categories and Promotional Services.]]></description>
      <pubDate>Fri, 22 May 2026 08:26:07 +0000</pubDate>
      <link>http://www.dwpiping.com/find-reliable-china-manufacturers-portal-cnmfrs-com.html?utm_source=rss</link>
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      <content:encoded><![CDATA[<div><p dir="ltr">CNMFRS.com offers a comprehensive directory of <strong>Chinese factories and suppliers</strong>, catering to a diverse range of products. The database is meticulously organized into manufacturer and product categories, ensuring relevant and tailored search results. You can either search directly or browse through the categories to seamlessly connect with your desired Chinese factories and suppliers for sourcing products from China.</p>

<p>Boasting an extensive array of product categories, CNMFRS.com serves as a convenient one-stop-shop for buyers. Specializing in electrical equipment, construction materials, electronics, tools, industrial parts, and machinery, it also provides promotional services tailored to manufacturers and suppliers. The platform features detailed product displays, comprehensive company profiles, and real-time updates, assisting domestic small and medium-sized enterprises in enhancing their online visibility and broadening their market reach.</p></div>]]></content:encoded>
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    <item>
      <title>DUWA ELBOW 90DEG LR BW UNS N06625 B16.9 NACE MR 0175</title>
      <description><![CDATA[Duwa Piping Company specializes in providing corrosion-resistant nickel alloy forged flanges, butt welded pipe fittings, imported nickel alloy pipes, round bars, can quickly deliver goods. We are supplier of flange fittings for Shell Oil's Malaysia offshore drilling platform project, our product quality is highly recognized by Shell.]]></description>
      <pubDate>Tue, 18 Jun 2024 02:39:50 +0000</pubDate>
      <link>http://www.dwpiping.com/duwa-elbow-90deg-lr-bw-uns-n06625-b16-9-nace-mr-0175.html?utm_source=rss</link>
      <guid>http://www.dwpiping.com/duwa-elbow-90deg-lr-bw-uns-n06625-b16-9-nace-mr-0175.html?utm_source=rss</guid>
      <content:encoded><![CDATA[<div><strong>ELBOW 90DEG LR BW UNS N06625 B16.9 NACE MR 0175</strong><br />
<br />
Inconel625 (N06625 | 2.4856) solid solution reinforced deformation high-temperature alloy, corrosion-resistant alloy.<br />
<strong>Material Grade:</strong><br />
GH3625(GH625)，NS3306(NS336)，0Cr20Ni65Mo10Nb4(China)、UNS N06625(USA)、W.Nr. 2.4856，NiCr22Mo9Nb(Germany)、NA21(UK)、NCF625(Japan)、ATG E2，NC22FeDNb，NC22DNb(France)<br />
<strong>Standard：</strong><span style="color:#FF0000;">Bars</span> ASTM B446、ASME SB-446、AMS 5666、DIN 17752、EN 10095、ISO 9723；<span style="color:#FF0000;">Plate &amp;strip</span> ASTM B443、ASME SB-443、AMS 5599,5869、DIN 17750、EN 10095、ISO 6208；<span style="color:#FF0000;">Pipe</span>&nbsp;ASTM B444,B704,B705、ASME SB-444,SB-704,SB-705、AMS 5581、DIN 17751、ISO 6207；<span style="color:#FF0000;">Flange&amp; forging</span> ASTM B564、ASME SB-564、AMS 5666、DIN 17754、ISO 9725；<span style="color:#FF0000;">Pipe fittings</span> ASTM B366、ASME SB-366</div>]]></content:encoded>
      <slash:comments>0</slash:comments>
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      <title>ASTM B619 UNS N08031 SEAMLESS PIPE</title>
      <description><![CDATA[Duwa Piping Company is a professional supplier of nickel  alloy steel incoloy 825, a pipeline supplier for Shell Malaysia's oil drilling platform, a partner of BASF alloy 31, and a long-term supplier of geothermal power giant ORMAT. Quality guaranteed, fast delivery, Regarding prices, please feel free to send an inquiry.]]></description>
      <pubDate>Mon, 17 Jun 2024 08:46:00 +0000</pubDate>
      <link>http://www.dwpiping.com/astm-b619-uns-n08031-seamless-pipe.html?utm_source=rss</link>
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      <content:encoded><![CDATA[<div><strong>ASTM B619 UNS N08031 SEAMLESS PIPE</strong><br />
<br />
N08031 (Alloy31) is a high alloy austenitic stainless steel with excellent corrosion resistance, widely used in fields such as chemical, petrochemical, marine engineering, and environmental technology. It is particularly suitable for resisting corrosion from sulfuric acid, hydrochloric acid, phosphoric acid, and chlorine containing environments. Its excellent resistance to pitting and crack corrosion, as well as high temperature stability, make it the preferred material for many high-end industrial applications.<br />
<br />
<strong>Product features:</strong><br />
<br />
◾ Excellent corrosion resistance in alkaline and acidic halide media.<br />
<br />
◾ Maintain good corrosion resistance to high concentrations of sulfuric acid.<br />
<br />
◾ Excellent corrosion resistance and wear resistance in phosphoric acid medium.<br />
<br />
◾ In the field of papermaking, chlorine dioxide bleach media equipment exhibits excellent resistance to uniform corrosion and localized corrosion.<br />
<br />
◾ Excellent corrosion resistance is maintained in both reducing and oxidizing media, as well as in boiling peroxidized nitric acid.<br />
<br />
◾ Good processability and weldability.<br />
<br />
◾ Certified by VdT &Uuml; V, suitable for pressure vessels operating at temperatures ranging from -196 to 550 &deg; C.<br />
<br />
◾ Certified by ISO 15156/NACE MR 0175, it can be used for acidic gas applications below Class VI in the petroleum and natural gas industry.<br />
<br />
◾ Certified by ASME, suitable for pressure vessels below 427 &deg; C (800 &deg; F).<br />
<br />
<strong>Product Usage:</strong><br />
<br />
◾ Components of flue gas desulfurization device<br />
<br />
◾ Wet process phosphoric acid production equipment<br />
<br />
◾ Pipelines and heat exchangers for sulfuric acid contaminated with chlorides<br />
<br />
◾ Seawater and saltwater pipelines, condenser and chiller unit pipelines<br />
<br />
◾ Pickling equipment for sulfuric acid and hydrofluoric acid nitric acid<br />
<br />
◾ Treatment of waste sulfuric acid<br />
<br />
◾ Evaporation and crystallization of salt<br />
<br />
◾ Pulp and paper industry equipment<br />
<br />
◾ Decomposition of ores, such as filtration of laterite in HIPAL equipment<br />
<br />
◾ Oil production and refining plants<br />
<br />
◾ Synthesis of organic acids and esters<br />
<br />
◾ fine chemicals<br />
<br />
◾ Strain hardened transportation and supply pipelines in the field of oil and gas transportation<br />
<br />
<strong>Supporting welding materials:</strong><br />
<br />
ErniCrMo-13 welding wire, ENiCrMo-13 welding rod</div>]]></content:encoded>
      <slash:comments>0</slash:comments>
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      <title>CAP DN300,SCH 160,NICKEL ALLOY ASTM B366-WPNICMC-S, NACE MR 0175/ISO15156,ASME B16.9,SEAMLESS</title>
      <description><![CDATA[
 ]]></description>
      <pubDate>Mon, 17 Jun 2024 03:00:00 +0000</pubDate>
      <link>http://www.dwpiping.com/cap-dn300-sch-160-nickel-alloy-astm-b366-wpnicmc-s-nace-mr-0175-iso15156-asme-b16-9-seamless.html?utm_source=rss</link>
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&nbsp;</div>]]></content:encoded>
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    <item>
      <title>China Gasket Manufacturers</title>
      <description><![CDATA[As a leading pipe gasket manufacturer in China, Topper has built a strong reputation for delivering...]]></description>
      <pubDate>Fri, 22 May 2026 08:36:20 +0000</pubDate>
      <link>http://www.dwpiping.com/china-gasket-manufacturers.html?utm_source=rss</link>
      <guid>http://www.dwpiping.com/china-gasket-manufacturers.html?utm_source=rss</guid>
      <content:encoded><![CDATA[<div><p>As a leading <strong>pipe gasket manufacturer</strong> in China, Topper has built a strong reputation for delivering high-quality sealing solutions to customers worldwide. With years of industry experience, the company specializes in the production of a wide range of industrial gaskets, including spiral wound gaskets, ring joint gaskets, <a href="https://www.magpievalves.com/graphite-gasket.html" target="_blank">graphite gaskets</a>, PTFE gaskets, and non-asbestos sheet gaskets. These products are widely used in industries such as oil &amp; gas, petrochemical, power generation, shipbuilding, water treatment, and chemical processing.</p>

<p>Topper is committed to strict quality control and advanced manufacturing standards. The company utilizes modern production equipment, precision testing instruments, and a professional engineering team to ensure every product meets international standards such as ASME, DIN, EN, and JIS. By maintaining stable product performance under high temperature, high pressure, and corrosive environments, Topper helps customers improve operational safety and reduce maintenance costs.</p>

<p>In addition to standard products, Topper also provides customized gasket solutions according to clients&rsquo; specific drawings, materials, and working conditions. Flexible production capability and fast delivery enable the company to satisfy both large-volume orders and urgent project requirements. With competitive pricing, reliable quality, and responsive customer service, Topper has established long-term partnerships with distributors, EPC contractors, and industrial end users across Europe, the Middle East, Southeast Asia, and the Americas.</p>

<p>Driven by innovation and customer satisfaction, Topper continuously invests in product development and international market expansion. The company aims to become a trusted global partner in industrial sealing technology by providing durable, efficient, and cost-effective gasket solutions for demanding industrial applications.</p></div>]]></content:encoded>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>China Fastener Manufacturers</title>
      <description><![CDATA[As a leading fastener manufacturer in China, Landee has built a strong reputation for delivering high-quality...]]></description>
      <pubDate>Fri, 22 May 2026 08:42:39 +0000</pubDate>
      <link>http://www.dwpiping.com/china-fastener-manufacturers.html?utm_source=rss</link>
      <guid>http://www.dwpiping.com/china-fastener-manufacturers.html?utm_source=rss</guid>
      <content:encoded><![CDATA[<div><p>As a leading fastener manufacturer in China, Landee has built a strong reputation for delivering high-quality industrial fastening solutions to customers worldwide. With years of manufacturing experience and advanced production capabilities, Landee specializes in a wide range of fasteners, including <a href="https://www.valvegasketboltnuts.com/">bolts, nuts, screws, studs</a>, washers, and custom-engineered fastening products for demanding industrial applications.</p>

<p>Landee&#39;s products are widely used in industries such as oil &amp; gas, petrochemical, power generation, construction, shipbuilding, mining, and heavy machinery. The company strictly follows international standards, including ASTM, DIN, ISO, ANSI, and BS, to ensure product reliability, precision, and durability. In addition, Landee provides customized fastener solutions based on specific project requirements, materials, coatings, and operating environments.</p>

<p>Quality control is one of Landee&#39;s core strengths. From raw material inspection to final product testing, every production stage is carefully monitored to guarantee consistent performance and compliance with global standards. The company also works closely with international clients, EPC contractors, distributors, and industrial end users, offering professional technical support and efficient supply chain services.</p>

<p>By combining competitive pricing, stable product quality, and reliable customer service, Landee continues to expand its presence in global markets and remains committed to becoming a trusted long-term partner in the industrial fastener industry.</p></div>]]></content:encoded>
      <slash:comments>0</slash:comments>
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    <item>
      <title>DUWA Slip On Flange RF 1INCH 300LB A182 F316L</title>
      <description><![CDATA[CHINA Flange Manufacturer DUWA PIPING 1INCH 300LB SLIP ON A182 F316L flange,Ex works in 5 days.]]></description>
      <pubDate>Tue, 09 May 2023 07:58:19 +0000</pubDate>
      <link>http://www.dwpiping.com/duwa-slip-on-flange-rf-1inch-300lb-a182-f316l.html?utm_source=rss</link>
      <guid>http://www.dwpiping.com/duwa-slip-on-flange-rf-1inch-300lb-a182-f316l.html?utm_source=rss</guid>
      <content:encoded><![CDATA[<div>DUWA Slip On Flange RF 1INCH 300LB A182 F316L<br />
Type:&nbsp;<strong>SLIP ON Flange</strong><br />
Material Grade: A182 F316L<br />
Size: 1INCH 300LB<br />
Surface Treatment: Oiled, etc.s<br />
Application: For Pipe Connection, etc.<br />
Packing: In Pallet/wooden case or as Your Requirements.<br />
Payment Terms: T/ T.<br />
Delivery Time: 7 Days after Received the Deposit.</div>]]></content:encoded>
      <slash:comments>0</slash:comments>
    </item>
    <item>
      <title>Performance and application of austenitic stainless steel pipe fittings</title>
      <description><![CDATA[Duwa Piping company specializes in producing various sizes of stainless steel pipe fittings. The products are resistant to low temperature and corrosion. They are widely used in offshore oil platform, chemical raw material transportation, petroleum refining, biological agents and other projects]]></description>
      <pubDate>Tue, 10 May 2022 05:19:24 +0000</pubDate>
      <link>http://www.dwpiping.com/news/performance-and-application-of-austenitic-stainless-steel-pipe-fittings.html?utm_source=rss</link>
      <guid>http://www.dwpiping.com/news/performance-and-application-of-austenitic-stainless-steel-pipe-fittings.html?utm_source=rss</guid>
      <content:encoded><![CDATA[<div>Austenitic stainless steel refers to stainless steel with austenitic structure at room temperature. steel contains approximately 18% of Cr and 8%-10% of Ni, and is characterized by corrosion resistance, non-magnetic properties, high toughness,and plasticity. Various hot and cold processing methods, such as 304 material, When Mo, Cu, Nb,Ti, and other elements are added, the corrosion resistance and high-and low-temperature mechanical properties of the maerial are further improved,and they are used in harsh working environents such ads high temperature,ultra-low temperature, and high corrosion,such as 316L.<br />
1)Good welding performance<br />
Selecting plasma welding, argon arc welding, submerged arc welding, arc welding etc.<br />
2)Good low temperature impact toughness.<br />
With good low temperature impact toughness, can be applied to -196℃ tempature working environment.<br />
3)The best use of the cycle.<br />
The excellent performance with the best and good service life.<br />
4)Good corrosion resistance<br />
Withstand atmospheric,seawater, acid, alkali,inorganic salt and other intercrystalline corrosion and uninform corrosion.</div>]]></content:encoded>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Large outside diameter stainless steel A403 WP316L elbow BW welded  ANSI B16.9</title>
      <description><![CDATA[Specializing in the production of large-size butt welding elbows, especially stainless steel elbows, tees and reducer. Stainless steel plates of various thicknesses are available throughout the year, which can be delivered quickly. The production standards include ANSI/ASME/ASTM, JIS B2311/2312.  DIN2605, DIN 2615,  DIN2616, All raw materials are subject to PMI inspection before production to ensure the chemical element composition, and 100% X-ray test is carried out for the weld.]]></description>
      <pubDate>Tue, 10 May 2022 02:12:48 +0000</pubDate>
      <link>http://www.dwpiping.com/large-outside-diameter-stainless-steel-a403-wp316l-elbow-bw-welded-ansi-b16-9.html?utm_source=rss</link>
      <guid>http://www.dwpiping.com/large-outside-diameter-stainless-steel-a403-wp316l-elbow-bw-welded-ansi-b16-9.html?utm_source=rss</guid>
      <content:encoded><![CDATA[<div>Large outside diameter stainless steel A403 WP316L elbow BW welded &nbsp;ANSI B16.9 .<br />
Outside diameter: for butt welded, 24in -80in, 609.6mm-2032mm.<br />
Wall thickness:8mm-45mm.<br />
Material:<br />
Austenitic: A403 WP304/L, 304H, WP316/L, TP309H, TP309S, TP317/L , TP316Ti<br />
Duplex steel: S32101, S31803, S32205, S32750, S32760<br />
Nickel alloy: Incoloy 800, 800H, Incoloy 825, Incoloy 625, Incoloy 600<br />
Monel 400, 254SMO,Hastelloy C-276, UNS N2201<br />
Process: Cold processing, mandrel molding, or cold extrusion, hot extrusion.<br />
We upgraded the packaging of large-diameter pipe fittings and used steel structure frame for support. It can maximize the protection of products and facilitate transportation.</div>]]></content:encoded>
      <slash:comments>0</slash:comments>
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    <item>
      <title>Steel Pipe MFRs</title>
      <pubDate>Wed, 27 Oct 2021 08:47:46 +0000</pubDate>
      <link>http://www.dwpiping.com/steel-pipe-mfrs.html?utm_source=rss</link>
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      <slash:comments>0</slash:comments>
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