Specifically engineered cast steel parts and high-efficiency crushing equipment customized to withstand the demanding tropical operating environments of Vietnamese mineral and aggregate sites.
Engineered for heavy-duty ball mills and rotary kilns. Features superior wear-resistance and grain refinement optimized for highly abrasive ore processing in Vietnam.
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High-precision cast steel hollow shafts designed to distribute load efficiently in heavy industrial crushers. Manufactured with strict ultrasonic testing protocols.
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Designed for fluid control in chemical processing, power plants, and oil/gas pipelines. Compliant with EN 10204 3.1 certification requirements.
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Premier stone shaping and artificial sand production equipment. Ideal for processing basalt, granite, and limestone aggregates for Vietnam's concrete structures.
Explore SpecificationsThe manufacturing and industrial landscape of Vietnam is undergoing an unprecedented expansion phase. As the national economy transitions into advanced heavy industrial manufacturing, mining operations, and large-scale infrastructure developments—such as the North-South Expressway, major thermal power plants, and deep-water ports—the demand for reliable, high-grade machinery parts has reached new heights. Heavy casting components and aggregate crushing machines serve as the foundational bedrock for these sectors.
Operations in northern mining regions like Lào Cai, Quảng Ninh, and Thái Nguyên, alongside the basalt-heavy quarry areas in the Central Highlands (Tây Nguyên), face rigorous conditions. Highly abrasive sand, heavy moisture index, and extreme atmospheric humidity cause rapid wear, material fatigue, and unexpected structural failure in low-grade casting components. Traditional imported castings often fail prematurely because they lack optimized alloy formulation tailored to resist mechanical stress under high tropical temperatures.
By focusing on custom alloy composition (e.g., high-manganese steel, chrome-moly alloy steel, and heat-resistant stainless steel) and implementing strict Non-Destructive Testing (NDT), Henan Hanhai Metallurgy Mining addresses these challenges. We provide Vietnamese industrial sectors with casting elements that exhibit superior elongation, high impact toughness, and minimized risk of micro-crack propagation.
Our foundry utilizes modern digital twins and Finite Element Method (FEM) analysis during the pattern design stage. This ensures our castings—ranging from 5 to 150 metric tons—meet high structural integrity criteria before entering the liquid steel pouring phase. Using Electric Arc Furnace (EAF) and Ladle Refining (LF) processing, we reduce sulphur and phosphorus content to exceptionally low levels, preventing hot tearing and optimizing chemical homogeneity. The result is structural steel castings and crushing machinery bodies that deliver extended service lifetimes and lower total cost of ownership (TCO) for mining contractors and quarry operators across Asia, Europe, and the Americas.
Understanding regional import structures is vital. We provide complete trade compliance, supplying required Certificate of Origin documents (such as Form E under the ASEAN-China Free Trade Area) to enable preferential import tariff clearance. Our logistics team handles shipping directly to major Vietnamese ports like Hải Phòng, Cát Lái, and Đà Nẵng, offering customized packing methods to protect machined surfaces from seawater oxidation during transit.
Henan Hanhai Metallurgy Mining International Trade Co., LTD is a premier foundry manufacturer based in China, specializing in heavy-duty cast steel and cast iron parts. With an annual production capacity reaching 80,000 tons, our facilities feature modern production machinery and strict quality inspection lines. We deliver durable castings for cement mills, metallurgy, mining plants, power generation stations, and heavy civil construction projects globally.
By integrating product design, mold casting, post-pour heat treatment, and precision CNC machining, we offer a comprehensive single-point manufacturing solution. Our systems conform to ISO 9001 and CE standards, assuring reliable execution from engineering prints to final dimensional inspections.
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Driving heavy industrial progress through precision metallurgical engineering and sustainable manufacturing solutions.
To empower global industrial equipment manufacturing with reliable casting solutions, specialized material configurations, and ecological, sustainable foundry practices.
To be the globally recognized brand of choice for large cast steel and industrial iron structures, maintaining top-tier standards in quality, delivery precision, and technical support.








For more than twenty years, Hanhai Casting has focused on the research, optimization, and international delivery of high-capacity cast steel and structural iron products. We evolve alongside industrial modernization to maintain our position in advanced metallurgical engineering.
Our systems and products conform to international quality and safety codes, supported by inspection certifications from Bureau Veritas, SGS, and TUV.
A look inside our manufacturing precision. Our industrial cases include heavy slag ladles, mining machinery frames, and crusher structural components.



























We supply durable castings and complete equipment solutions to meet the demands of major industrial operations worldwide.
Our service workflow is designed to manage design review, casting quality, final machining accuracy, and international delivery for Vietnamese projects.
Initial gathering of technical parameters, custom drawing specs, mechanical performance profiles, and target dimensions.
Execution of numerical simulation analysis. Our design office configures the optimal casting mold gating system to limit micro-porosity.
Review of chemical compositions, heat treatment procedures, NDT criteria, and contract conditions with the client's engineering team.
Sand mold preparation, furnace charge mixing, liquid steel temperature measurement, and pouring under controlled conditions.
Non-destructive examination (UT/MT/PT), hardeness mapping, dimensional checks using CMM, and trial fit assemblies where required.
Anti-rust oil treatment, protective shrink wrapping, heavy timber structural packaging, and transport to international ports.
We provide remote setup advice or send field technicians to the site to assist in mounting, alignment, and commissioning.
Handing over of structural maintenance manuals, critical grease interval guidelines, and operator instructions.
Expedited processing of critical replacement parts (e.g. jaw plates, mantles, blow bars) to minimize system downtime.
Select from our core heavy engineering products. Every listing links directly to technical details and engineering specifications.
High-strength structural design made with premium alloy steel. Engineered to handle large-tonnage axial loads in grinding mill lines.
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Primary crushing solution with large feed size capabilities. Optimized mechanical toggle plate kinematics and strong frame construction.
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Erosion-resistant slurry valve bodies designed for mineral flotation plants. Features wear-resistant interior flow paths.
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Hydraulic cone crusher designed for fine and medium reduction of basalt, granite, and silica river gravel. Delivers high throughput.
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Impact crusher designed for cubical product outputs and high reduction ratios in limestone processing and recycling plants.
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Modern design featuring a deep-chamber rotor. Minimizes wear part consumption and increases productivity in sand plants.
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Engineered for high-temperature and high-pressure steam turbines in coal-fired and gas-fired power plants. Meets strict ultrasonic test codes.
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Heavy structural steel castings designed for primary crusher frames, hopper mounts, and large pulverizer systems.
SpecificationsExpert answers regarding metallurgical standards, customs declarations, shipping logistics, and quality validation procedures.
For processing hard basalt, granite, or copper ores found in Vietnam's northern regions and Central Highlands, we recommend High-Manganese Steel (such as Mn13Cr2 or Mn18Cr2) for impact components like jaw plates and mantles. For structural mining components subject to high fatigue, Alloy Steels like chromium-molybdenum (Cr-Mo) steel and carbon steel grades (e.g. ASTM A27 or ASTM A148) are selected for their combination of tensile strength and impact toughness.
Yes. As a China-based foundry exporter, we supply China-ASEAN Free Trade Agreement Certificates of Origin (Form E). This allows our partners in Vietnam to import custom castings and crushing machinery at reduced or zero tariff rates, lowering project logistics and procurement budgets.
We execute standard NDT protocols based on ASTM and ISO specifications. Ultrasonic Testing (UT) is conducted per ASTM A609 to identify internal gas voids or slag inclusions. Magnetic Particle Testing (MT) per ASTM A903 or Liquid Penetrant Testing (PT) per ASTM A962 is applied to detect surface cracks on critical wear faces. Full radiographic testing (RT) is available upon request for high-pressure turbine cylinders and valve body assemblies.
We combine advanced pattern building, sand molding control, and precise CNC vertical lathes and boring machine processing. Pattern layouts are checked via optical 3D scanners, and critical interface measurements are verified using coordinate measuring machines (CMM) to ensure dimensional tolerances stay within ISO 8062-CT10 to CT12 ranges.
Lead times vary depending on design complexity. Generally, pattern design and simulation require 10-15 days. Molding, pouring, and heat treatment take 20-30 days, followed by machining and NDT validation which take 15 days. In total, expect a production lead time of 45-60 days, followed by ocean transit of 7-12 days to major Vietnamese ports like Hải Phòng or Cát Lái.