OEM Carbon Steel Agricultural Machinery Investment Castings

Industrial-Grade Precision Casting & Deep Machining Solutions for Global Agriculture 4.0

JUNLONG Factory
Empowering Global Agriculture

The Science of Carbon Steel Precision in Modern Farming

In the evolving landscape of Precision Agriculture, the reliability of mechanical components determines the efficiency of the harvest. JUNLONG Machinery Co., Ltd., established in 2014 in the industrial heart of Weifang, Shandong, has emerged as a beacon of E-E-A-T (Experience, Expertise, Authoritativeness, and Trustworthiness) in the investment casting sector.

Spanning 60,000 square meters, our facility is not merely a factory; it is an integrated R&D hub where lost wax casting technology meets advanced metallurgy. We specialize in carbon steel, alloy steel, and stainless steel, producing 20,000 tons of high-performance castings annually for the world's most demanding agricultural environments.

2014Founded Year
60KArea (sqm)
200+Staff Experts

Advanced Technical Roadmap: Beyond Traditional Casting

We leverage AI-enhanced process simulation to predict solidification patterns, eliminating internal defects before the first drop of molten metal is poured.

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Material Optimization

Our carbon steel alloys are engineered for specific tensile strengths (ranging from 450MPa to over 800MPa) to withstand the high-torque requirements of modern harvesters and tractors.

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Precision Tolerance

Utilizing high-grade silica sol and water glass processes, we achieve CT4-CT6 level tolerances, significantly reducing the need for expensive secondary machining.

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Supply Chain Agility

Based in China's manufacturing core, we offer a "Resilience-First" model, integrating mold design, casting, heat treatment, and CNC machining under one roof.

Localization & Industrial Landscape

North America & Europe: Focusing on Tier 4/5 emission compliance and lightweighting. Our carbon steel investment castings allow for complex geometries that traditional sand casting cannot achieve, facilitating compact engine and transmission designs.

Emerging Markets (Brazil, India): Emphasis on durability against abrasive soil conditions. Our specialized heat treatment (Quenching & Tempering) provides the surface hardness required for tillage and sowing components.

Regulatory Compliance: We adhere to ISO 9001 and IATF 16949 standards, ensuring every batch is traceable back to the raw material melt, providing the "Trust" required by Fortune 500 OEMs.

FeatureJUNLONG Advantage
Material RangeWCB, LCC, 1020-1045, 4140, 8620, etc.
Casting Weight0.1kg to 150kg
Surface FinishRa 3.2 - 12.5 μm
Quality ControlSpectrometer, Magnetic Particle, X-Ray, UT

Core Manufacturing Infrastructure

Automated Casting

Equipped with internationally advanced automated casting production facilities and comprehensive physical and chemical analysis equipment, the company significantly enhances manufacturing efficiency and product quality stability.

Machining Mastery

We are equipped with a comprehensive machining workshop, including horizontal machining centers, vertical machining centers, CNC lathes, and specialized machine tools, providing full-process machining.

Global Brand

Leveraging strong engineering capabilities, products are exported to overseas markets, including Germany, the United States, Italy, Canada, and other countries.

China's Supply Chain Fortitude

Why source from JUNLONG? Beyond our 20,000-ton capacity, we offer Full Industrial Chain Integrated Manufacturing. In a world of volatile logistics, our location in Shandong provides us proximity to the world's largest steel suppliers and the Qingdao port, ensuring Information Gain through real-time logistics tracking and reduced lead times.

  • Cost Efficiency: Scale-driven procurement lowers unit costs.
  • Technical Support: 30+ engineering technicians dedicated to OEM customization.
  • Risk Mitigation: Diversified material sourcing and in-house mold making (Die Shop).
Integrated Manufacturing

Diverse Application Spectrum

Our carbon steel and alloy castings form the backbone of multiple critical industries.

Agricultural Machinery

Harvester hubs, plough shares, gearbox housings, and tractor link arms.

Construction Machinery

Excavator buckets, loader joints, and crane components.

Railway & Transport

Suspension parts, coupler components, and braking system housings.

Petroleum & Marine

Valve bodies, pipe fittings, and high-pressure protectors.

Certification

Global Quality Compliance

We understand that reliability is non-negotiable. Our company has obtained ISO 9001, TS 16949, and UL certifications. We ensure process control over every production detail, pursuing continuous improvement to achieve high customer satisfaction.

Every casting undergoes rigorous testing, including spectral analysis of material chemistry, mechanical property testing, and non-destructive testing (NDT).

Frequently Asked Questions

1. What are the advantages of carbon steel in agricultural investment casting?
Carbon steel offers an excellent balance of strength, ductility, and cost-effectiveness. It is easily heat-treated to achieve specific hardness levels required for soil-engaging tools while maintaining the structural integrity needed for frame components.
2. Can you provide OEM customization for complex geometries?
Yes. Our investment casting (lost wax) process allows for near-net-shape parts with internal cavities and complex curves that are impossible to create via sand casting or forging. We support CAD/CAM integration for rapid prototyping.
3. How does JUNLONG ensure material consistency across large batches?
We use furnace-front spectral analysis for every heat. Our 20,000-ton annual capacity is supported by automated pouring lines that maintain consistent temperature and pressure, ensuring uniform grain structure in every part.
4. What surface treatments do you offer for agricultural parts?
We provide a full range of finishes, including zinc plating, powder coating, painting, and specialized anti-corrosion treatments to protect against chemicals and harsh weather conditions.
5. What is your typical lead time for new OEM projects?
Typically, mold design and sampling take 3-4 weeks. Once approved, mass production takes 4-6 weeks depending on volume and machining complexity.

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