Engineered to withstand the most severe combinations of abrasive wear, high impacts, and structural loads. Our bimetallic composites are optimized through rigorous metallurgical process control.
Industrial-grade wear plates optimized with high concentrations of primary chromium carbides (M7C3) in an austenitic matrix, delivering exceptional resistance to severe grinding abrasion.
Custom fabricated dimensions, specialized thickness profiles, and tailored chemistries engineered directly from raw materials to match bespoke bulk handling architectures.
High-alloy surfacing wire engineered for robust in-field applications without shielding gas. Ideal for rebuilds, hardfacing surfaces, and extending service life.
Specifically formulated for cement chute liners and extreme mining applications. Delivers maximum surface hardness to survive high-speed material flows.
Premium bulk welding consumables designed to minimize dilution, control stress relief checking, and provide predictable, repeatable hardfacing metallurgy.
Composite wearplate constructed on structural steel backing with a highly dense, overlay weld. Fully compliant with standard DIN 8555 specifications.
Designed specifically for resisting high-stress grinding abrasion with low-impact exposure, optimizing wear plate longevity under extreme pressure.
Highly automated, space-saving CNC overlays systems. Features 4 guns operating in unison with configurable swing patterns for rapid, precise plate production.
Modern heavy industries—ranging from open-cut mining operations to rotary kiln cement plants and coal-fired energy generation stations—operate in environments of severe mechanical degradation. Equipment wear, primarily driven by three-body sliding abrasion and particulate erosion, costs industrial operators billions of dollars annually in unplanned downtime, diagnostic maintenance, and premature equipment replacement. As global sourcing frameworks become more complex, procurement departments are shifting from basic transactional metal fabrication to highly engineered, metallurgically advanced OEM Steel And Welding Factory structures capable of offering customized chromium carbide overlays (CCO) and automated hardfacing solutions.
To address this challenge, material scientists and manufacturing engineers prioritize bimetallic composites. These composites are formed by bond-welding a highly ductile carbon steel backing plate with a wear-resistant layer saturated with primary M7C3 chromium carbides. While structural steel provides the necessary tensile strength, toughness, and weldability required for installation, the chromium overlay delivers a surface hardness typically ranging between 58 to 62 HRC. Selecting the correct OEM steel and welding partner requires a comprehensive evaluation of metallurgical process controls, manufacturing capabilities, compliance certifications, and global supply chain logistics.
The superior performance of CCO wear plates depends entirely on the microstructural composition of the protective overlay. During the open-arc or submerged-arc welding process, the cooling rate and chemical composition are adjusted to prompt the precipitation of hexagonal primary chromium carbides. These carbides, with a chemical formula of (Cr,Fe)7C3, exhibit a microhardness of up to 1500 HV. They are embedded within a matrix of austenite and eutectic mixtures, which absorbs mechanical impact and prevents macro-cracking under heavy operational stress.
To achieve uniform wear performance, manual welding is replaced with high-degree automation. Sophisticated CNC welding stations monitor and regulate key process parameters, such as voltage fluctuations, travel speeds, swing width, and wire feed speeds. This strict process control prevents the uneven dilution of carbon steel into the weld overlay, ensuring that the critical top layer retains its high chromium content and superior hardness.
Founded in 2010 in Tangshan, Hebei Province, Tangshan Runxing Machinery Co., Ltd. is a specialized manufacturer dedicated to the research, development, and on-site integration of high-performance wear-resistant metal products. Located in China’s industrial heartland, our facility leverages advanced metallurgical manufacturing technology to deliver world-class wear protection.
Our comprehensive product line includes premium Chromium Carbide Overlay (CCO) wear plates, custom-fabricated wear liners, abrasion-resistant pipe fittings, hardfacing flux-cored welding wires, and fully automated surfacing equipment. Guided by the values of "Integrity, Superior Quality, Innovation & Sustainable Development," we partner with major heavy industries worldwide to solve critical wear challenges.
To ensure reliable international operations, all export compliance and logistics are managed by our authorized trade partner, Hebei Yuwan International Trade Co., Ltd. This partnership allows our engineering teams to focus entirely on quality assurance, product innovation, and manufacturing consistency.
ISO Quality Assurance
Advanced Metallurgy
Global Trade Compliance
As a testament to our focus on high-quality manufacturing materials, Tangshan Runxing Machinery has been a qualified partner of VAUTID Germany since 2019. This collaboration allows us to integrate world-class German wear technologies into our bimetallic composites.
Operating from Tangshan, the steel production capital of Hebei Province, gives our factory unparalleled advantages in raw material access, production speed, and global shipping logistics.
Our close proximity to major iron and steel mills provides us with direct access to structural steel base plates, minimizing transit costs and inventory delays. This supply chain integration allows us to respond quickly to large-scale global orders and maintain stable, competitive pricing.
With fully equipped in-house machining facilities, we handle complex slicing, bending, and drilling tasks without relying on external vendors. Our capabilities cover everything from simple rectangular liners to complex curved transitions for mining chutes.
Our bimetallic composite plates, custom liners, and hardfacing alloys are deployed worldwide across various heavy industries, designed to perform under severe operational stress.
Protecting critical raw meal chutes, separator guide vanes, and hopper linings from constant abrasive flow to ensure continuous, unscheduled-shutdown-free operations.
See more products >
Providing high-performance wear plates for dragline buckets, truck bed liners, and primary crushers handling high-velocity ore, reducing wear rates and structural fatigue.
See more products >
Protecting equipment from sintering operations to blast furnace top hoppers. Designed to withstand extreme temperatures, mechanical abrasion, and structural impact.
See more products >
Protecting fan blades, conveyor chutes, hopper liners, pulverizer mills, and fuel handling systems against severe coal dust erosion.
See more products >
Protecting grab buckets, loading chutes, and conveyor transfer points handling abrasive materials like coal, iron ore, and minerals.
See more products >
High-purity sintered alumina ceramic tiles designed to handle high-velocity, low-impact abrasive flows in chemical and dry bulk lines.
See more products >
Ongoing product research and engineering testing aimed at extending service life in extreme environments. Stay tuned for new updates.
See more products >
Deploying smart sensor tech and acoustic testing to measure real-time plate wear in remote installations.
See more products >Our engineers actively participate in international trade exhibitions and academic partnerships, helping us stay aligned with global technology standards and customer needs.
Our new digital platform offers industrial buyers streamlined access to wear analysis toolkits, customization CAD layouts, and direct engineering consultations.
Read more >
At this key industry event, we demonstrated our high-alloy flux-cored wires and bimetallic CCO plates designed for severe mining applications across Africa.
Read more >
Our metallurgy team collaborates with Tangshan University's Metal Materials department, researching primary carbide growth to improve material durability.
Read more >
Tangshan Runxing has maintained its certified VAUTID partner status for six consecutive years, supporting the import of specialized welding consumables.
Read more >
Our debut at EXPOMIN showcased wear solutions tailored for copper and gold mining operations, establishing strong sales channels in South America.
Read more >
Our automated production lines operate 24/7, maintaining tight tolerances and metallurgical consistency across every batch.










To integrate into international supply chains, our factory maintains compliance with major international standards. Our CCO wear plates are engineered to meet DIN 8555, a European standard classifying wear-resistant surfacing alloys based on hardness, structural composition, and chemical analysis.
Additionally, all structural base metal welding follows standard AWS D1.1 (American Welding Society) guidelines. This compliance ensures that when our wear plates are integrated into large mining machines or heavy chute networks, they carry the structural integrity needed for demanding field conditions.
Navigating international trade laws requires reliable logistical and trade partners. All export orders from Tangshan Runxing Machinery are handled by Hebei Yuwan International Trade Co., Ltd. This partnership simplifies the import process by managing customs clearance, cargo inspections, and shipping logistics.
Our trade team prepares comprehensive shipping documents, including Mill Test Certificates (MTC), origin documentation, and material data sheets. This administrative support guarantees a clear chain of custody from production to final delivery.
The wear protection industry is shifting toward materials with lower environmental impacts. Traditional chromium carbide overlays generate hexavalent chromium fumes during welding, requiring specialized exhaust and air filtration systems. In response, modern R&D focuses on developing nickel-tungsten alloys and low-chromium, high-carbon composites that deliver equivalent abrasion resistance with fewer emissions.
Additionally, the integration of smart sensors into industrial equipment is enabling real-time monitoring of liner wear. Our development team is actively exploring wear plates with embedded sensory conduits, allowing plant operators to monitor erosion levels remotely and optimize their maintenance schedules.
Frequently asked metallurgical and logistical questions regarding OEM steel fabrication and chromium carbide overlays.
Our complete line of wear-resistant materials and surfacing equipment, designed to keep industrial operations running efficiently.
Industrial-grade wear plates optimized with high concentrations of primary chromium carbides (M7C3) in an austenitic matrix, delivering exceptional resistance to severe grinding abrasion.
Custom fabricated dimensions, specialized thickness profiles, and tailored chemistries engineered directly from raw materials to match bespoke bulk handling architectures.
High-alloy surfacing wire engineered for robust in-field applications without shielding gas. Ideal for rebuilds, hardfacing surfaces, and extending service life.
Specifically formulated for cement chute liners and extreme mining applications. Delivers maximum surface hardness to survive high-speed material flows.
Premium bulk welding consumables designed to minimize dilution, control stress relief checking, and provide predictable, repeatable hardfacing metallurgy.
Composite wearplate constructed on structural steel backing with a highly dense, overlay weld. Fully compliant with standard DIN 8555 specifications.
Designed specifically for resisting high-stress grinding abrasion with low-impact exposure, optimizing wear plate longevity under extreme pressure.
Highly automated, space-saving CNC overlays systems. Features 4 guns operating in unison with configurable swing patterns for rapid, precise plate production.