# China Rail Transit Equipment Parts Manufacturers, Nuclear Power and Nuclear Fusion Equipment Parts Suppliers, Aerospace and Marine Engineering Equipment Parts Factory - Yantai Wanlong Vacuum Metallurgy Co., Ltd. > Yantai Wanlong Vacuum Metallurgy Co., Ltd.: WLVM manufactures special copper alloy materials and components for rail transit, energy, metallurgy and aerospace applications. Founded in 2002, the company serves customers in over 30 countries and regions. ## Home - [Home](https://www.ytwlvm.com/) ## About Us - [About Us](https://www.ytwlvm.com/about-us) - [Contact Us](https://www.ytwlvm.com/contact-us) - [Request a Quote](https://www.ytwlvm.com/inquiry) ## Products - [Products](https://www.ytwlvm.com/products) - [Rail Transit Equipment Parts](https://www.ytwlvm.com/rail-transit-equipment-parts/) - [Nuclear Power and Nuclear Fusion Equipment Parts](https://www.ytwlvm.com/nuclear-power-and-nuclear-fusion-equipment-parts/) - [Aerospace and Marine Engineering Equipment Parts](https://www.ytwlvm.com/aerospace-and-marine-engineering-equipment-parts/) - [Amorphous Magnetic Materials and Non-ferrous Casting Roll Sleeves](https://www.ytwlvm.com/amorphous-magnetic-materials-and-non-ferrous/) - [Metallurgical and Non-ferrous Equipment Parts](https://www.ytwlvm.com/metallurgical-and-non-ferrous-equipment-parts/) - [Special Copper Alloy Material](https://www.ytwlvm.com/special-copper-alloy-material/) - [Short Circuit Ring](https://www.ytwlvm.com/rail-transit-equipment-parts/short-circuit-ring.html) - [Shrink Ring](https://www.ytwlvm.com/rail-transit-equipment-parts/shrink-ring.html) - [Rotor Bar](https://www.ytwlvm.com/rail-transit-equipment-parts/rotor-bar.html) - [Contact Wire](https://www.ytwlvm.com/rail-transit-equipment-parts/contact-wire.html) - [Load-bearing Cable](https://www.ytwlvm.com/rail-transit-equipment-parts/load-bearing-cable.html) - [Conductive Components for Nuclear Power](https://www.ytwlvm.com/nuclear-power-and-nuclear-fusion-equipment-parts/conductive-components-for-nuclear-power.html) - [Short Circuit Ring and Rotor Bar for Engine and Generator](https://www.ytwlvm.com/nuclear-power-and-nuclear-fusion-equipment-parts/short-circuit-ring-and-rotor-bar-for-engine.html) - [Copper Alloy Tube](https://www.ytwlvm.com/aerospace-and-marine-engineering-equipment-parts/copper-alloy-tube.html) - [Copper-nickel Tube](https://www.ytwlvm.com/aerospace-and-marine-engineering-equipment-parts/copper-nickel-tube.html) - [Large-diameter Seamless Copper-nickel Tube](https://www.ytwlvm.com/aerospace-and-marine-engineering-equipment-parts/large-diameter-seamless-copper-nickel-tube.html) - [Copper Rollers for Amorphous and Nanocrystalline Materials](https://www.ytwlvm.com/amorphous-magnetic-materials-and-non-ferrous/copper-rollers-for-amorphous-and.html) - [Cast Roll Sleeve](https://www.ytwlvm.com/amorphous-magnetic-materials-and-non-ferrous/cast-roll-sleeve.html) - [Crystallizing Wheel for Continuous Casting](https://www.ytwlvm.com/amorphous-magnetic-materials-and-non-ferrous/crystallizing-wheel-for-continuous-casting.html) - [Blast Furnace Tuyere](https://www.ytwlvm.com/metallurgical-and-non-ferrous-equipment-parts/blast-furnace-tuyere.html) - [Cooling Plate](https://www.ytwlvm.com/metallurgical-and-non-ferrous-equipment-parts/cooling-plate.html) - [Electrode Holder Clamp](https://www.ytwlvm.com/metallurgical-and-non-ferrous-equipment-parts/electrode-holder-clamp.html) - [Blank Copper Plate for Crystallizer](https://www.ytwlvm.com/metallurgical-and-non-ferrous-equipment-parts/blank-copper-plate-for-crystallizer.html) - [Electric Furnace Water Block](https://www.ytwlvm.com/metallurgical-and-non-ferrous-equipment-parts/electric-furnace-water-block.html) - [Consumable Furnace Copper Crucible](https://www.ytwlvm.com/metallurgical-and-non-ferrous-equipment-parts/consumable-furnace-copper-crucible.html) - [Electroslag Remelting Mold](https://www.ytwlvm.com/metallurgical-and-non-ferrous-equipment-parts/electroslag-remelting-mold.html) - [Hollow Conductor](https://www.ytwlvm.com/special-copper-alloy-material/hollow-conductor.html) - [Seam Welding Wheel](https://www.ytwlvm.com/special-copper-alloy-material/seam-welding-wheel.html) - [Electrode Holder](https://www.ytwlvm.com/special-copper-alloy-material/electrode-holder.html) - [Copper Alloy Rod](https://www.ytwlvm.com/special-copper-alloy-material/copper-alloy-rod.html) - [Copper Cake Or Billet](https://www.ytwlvm.com/special-copper-alloy-material/copper-cake-or-billet.html) - [Copper Alloy Plate](https://www.ytwlvm.com/special-copper-alloy-material/copper-alloy-plate.html) ## News - [News](https://www.ytwlvm.com/newslist-1) - [Definition And Overview Of Hollow Conductors](https://www.ytwlvm.com/news/definition-and-overview-of-hollow-conductors-85683755.html) - [Manufacturing Process For Hollow Conductors](https://www.ytwlvm.com/news/manufacturing-process-for-hollow-conductors-85683760.html) - [Applications Of Hollow Conductors](https://www.ytwlvm.com/news/applications-of-hollow-conductors-85683763.html) - [Developments And Trends in The Hollow Conductor Industry](https://www.ytwlvm.com/news/developments-and-trends-in-the-hollow-conducto-85683768.html) - [Hollow Conductors: Conductors With Special Structures](https://www.ytwlvm.com/news/hollow-conductors-conductors-with-special-str-85683772.html) - [Why Hollow Conductors Are Used in High-Frequency Circuits](https://www.ytwlvm.com/news/why-hollow-conductors-are-used-in-high-frequen-85683782.html) - [Working Principle Of Seam Welding Wheels](https://www.ytwlvm.com/news/working-principle-of-seam-welding-wheels-85683789.html) - [Application Scenarios And Dimensional Comparison Of Seam Welding Wheels](https://www.ytwlvm.com/news/application-scenarios-and-dimensional-comparis-85683796.html) - [Precautions For Seam Welding Wheels](https://www.ytwlvm.com/news/precautions-for-seam-welding-wheels-85683804.html) - [Manufacturing Process Of Mold Copper Plates](https://www.ytwlvm.com/news/manufacturing-process-of-mold-copper-plates-85683817.html) - [Considerations For Mold Copper Plates](https://www.ytwlvm.com/news/considerations-for-mold-copper-plates-85683837.html) - [What Type Of Copper Is Best For Copper Rollers?](https://www.ytwlvm.com/news/what-type-of-copper-is-best-for-copper-rollers-85683841.html) - [Methods For Installing Catenary Wires](https://www.ytwlvm.com/news/methods-for-installing-catenary-wires-85683851.html) - [Introduction To Contact Wires](https://www.ytwlvm.com/news/introduction-to-contact-wires-85683857.html) - [Contact Wire: Manufacturing Processes And Characteristics](https://www.ytwlvm.com/news/contact-wire-manufacturing-processes-and-char-85683862.html) - [Specific Procedures For Contact Wire Analysis](https://www.ytwlvm.com/news/specific-procedures-for-contact-wire-analysis-85683865.html) - [What Is A Cupronickel Tube?](https://www.ytwlvm.com/news/what-is-a-cupronickel-tube-85683873.html) - [Application Scenarios For Cupronickel Tubes](https://www.ytwlvm.com/news/application-scenarios-for-cupronickel-tubes-85683879.html) - [Copper Alloy Rod Processing And Manufacturing](https://www.ytwlvm.com/news/copper-alloy-rod-processing-and-manufacturing-85683880.html) - [Industry Standards And Testing For Copper Alloy Rods](https://www.ytwlvm.com/news/industry-standards-and-testing-for-copper-allo-85683881.html) ## Info - [Blog](https://www.ytwlvm.com/info/) - [Working Principle of Hollow Conductors](https://www.ytwlvm.com/info/working-principle-of-hollow-conductors-103712405.html) - [Materials and Specifications for Hollow Conductors](https://www.ytwlvm.com/info/materials-and-specifications-for-hollow-conduc-103712408.html) - [Technical Challenges and Protection of Hollow Conductors](https://www.ytwlvm.com/info/technical-challenges-and-protection-of-hollow-103712412.html) - [What are the advantages of hollow conductors?](https://www.ytwlvm.com/info/what-are-the-advantages-of-hollow-conductors-103712417.html) - [Analysis of the Differences Between Hollow and Solid Conductors](https://www.ytwlvm.com/info/analysis-of-the-differences-between-hollow-and-103712420.html) - [What is a seam welding wheel?](https://www.ytwlvm.com/info/what-is-a-seam-welding-wheel-103712428.html) - [Key Characteristics and Process Requirements for Seam Welding Wheels](https://www.ytwlvm.com/info/key-characteristics-and-process-requirements-f-103712430.html) - [Recommendations for the Procurement and Installation of Seam Welding Wheels](https://www.ytwlvm.com/info/recommendations-for-the-procurement-and-instal-103712434.html) - [Material Selection for Mold Copper Plates](https://www.ytwlvm.com/info/material-selection-for-mold-copper-plates-103712442.html) - [Structural Design of Mold Copper Plates](https://www.ytwlvm.com/info/structural-design-of-mold-copper-plates-103712448.html) - [Performance of Mold Copper Plates](https://www.ytwlvm.com/info/performance-of-mold-copper-plates-103712457.html) - [Characteristics and Applications of Catenary Wires](https://www.ytwlvm.com/info/characteristics-and-applications-of-catenary-w-103712462.html) - [Differences Between Catenary Wires and Contact Wires](https://www.ytwlvm.com/info/differences-between-catenary-wires-and-contact-103712472.html) - [Current Status of Contact Wire Development](https://www.ytwlvm.com/info/current-status-of-contact-wire-development-103712479.html) - [Classification of Contact Wires](https://www.ytwlvm.com/info/classification-of-contact-wires-103712488.html) - [Service Life of Contact Wires](https://www.ytwlvm.com/info/service-life-of-contact-wires-103712493.html) - [Manufacturing Process of Cupronickel Tubes](https://www.ytwlvm.com/info/manufacturing-process-of-cupronickel-tubes-103712500.html) - [Characteristics of Alloyed Copper Rods](https://www.ytwlvm.com/info/characteristics-of-alloyed-copper-rods-103712510.html) - [Application Scenarios for Copper Alloy Rods](https://www.ytwlvm.com/info/application-scenarios-for-copper-alloy-rods-103712513.html) - [Basic Characteristics of Copper Alloy Sheets](https://www.ytwlvm.com/info/basic-characteristics-of-copper-alloy-sheets-103712519.html) ## Blog - [Article](https://www.ytwlvm.com/blog/) ## Language - [日本語](https://ja.wanlongcopper.com/) - [한국어](https://ko.wlvmcopper.com/) - [Français](https://fr.wanlongcopper.com/) - [Deutsch](https://de.wlvmcopper.com/) - [Español](https://wanlongcopper.com/) - [Italiano](https://it.wanlongcopper.com/) - [Português](https://pt.wlvmcopper.com/) - [Việt Nam](https://vn.wanlongcopper.com/) - [Türkçe](https://tr.wlvmcopper.com/) - [عربي ](https://ar.wanlongcopper.com/) - [русский ](https://wlvmcopper.com/) - [Čeština](https://cz.wlvmcopper.com/) - [ไทย](https://th.wanlongcopper.com/) - [Eesti](https://ee.wlvmcopper.com/) - [Gaeilgenah Éireann](https://otq.wanlongcopper.com/) - [Bai Miaowen](https://mww.wlvmcopper.com/) - [íslenska](https://tlh.wanlongcopper.com/) - [Cymraeg](https://cy.wlvmcopper.com/) - [Български](https://bg.wanlongcopper.com/) - [اردو](https://pk.wlvmcopper.com/) - [Polski](https://pl.wanlongcopper.com/) - [hrvatski](https://hr.wlvmcopper.com/) - [українська](https://ua.wanlongcopper.com/) - [bosanski](https://ba.wlvmcopper.com/) - [فارسی](https://af.wanlongcopper.com/) - [Lietuvių](https://lt.wlvmcopper.com/) - [Latviešu](https://lv.wanlongcopper.com/) - [עברית](https://il.wlvmcopper.com/) - [România limbi](https://ro.wanlongcopper.com/) - [Ελληνικά](https://gr.wlvmcopper.com/) - [dansk](https://dk.wanlongcopper.com/) - [magyar](https://hu.wlvmcopper.com/) - [Norsk](https://no.wanlongcopper.com/) - [suomi](https://fi.wlvmcopper.com/) - [Nederlands](https://nl.wanlongcopper.com/) - [Svenska](https://se.wlvmcopper.com/) - [slovenčina](https://sk.wanlongcopper.com/) - [slovenščina](https://si.wlvmcopper.com/) - [हिंदी](https://fj.wanlongcopper.com/) - [Indonesia](https://id.wlvmcopper.com/) - [Melayu](https://my.wanlongcopper.com/) - [Malti](https://mt.wlvmcopper.com/) - [Kreyòl Ayisyen](https://ht.wanlongcopper.com/) - [Català](https://ca.wlvmcopper.com/) - [বাংলা](https://yua.wanlongcopper.com/) - [Srbija jezik (latinica)](https://srla.wlvmcopper.com/) - [O'zbek](https://srcyrl.wanlongcopper.com/)