# Ningbo Leyu Machinery Co., Ltd.
> Ningbo Leyu Machinery Co., Ltd. is a China-based manufacturer and supplier of custom metal parts and components for agricultural, construction, and industrial machinery. The company provides OEM manufacturing services including CNC machining, investment casting, sand casting, and precision forging, producing wear parts such as carbide-tipped tillage tools, tractor linkage arms, baler knotter assemblies, hydraulic valve blocks, gears, and pump housings. Serving global equipment manufacturers, Leyu emphasizes cost-effective one-stop solutions from design to serial production.

The company specializes in small to medium-sized metal components for heavy equipment, often using a combination of casting or forging with CNC finishing to achieve durability and precision. Their product range covers both standard aftermarket parts and fully custom OEM projects. The website contains numerous SEO-optimized articles comparing CNC machining, casting, and forging to educate buyers on manufacturing process selection.

## Agricultural Tillage and Wear Parts
- [Carbide hard-faced forestry mulcher teeth](https://www.leyumetalparts.com/products/Carbide-hard-faced-forestry-mulcher-teeth.html): Heavy-duty flail hammer teeth with carbide hard-facing for forestry mulchers, designed to withstand rock impacts and abrasive conditions.
- [Trencher teeth with carbide tips](https://www.leyumetalparts.com/products/Trencher-teeth-with-carbide-tips.html): Digging teeth with tungsten carbide inserts for trenching machines, providing extended wear life in hard soil and rock applications.
- [Subsoiler point](https://www.leyumetalparts.com/products/Subsoiler-point.html): Replaceable cast point for subsoilers and cultivators, shaped to penetrate compacted soil layers with minimal draft requirements.
- [Carbide and hard-faced ploughshare and skimmer share](https://www.leyumetalparts.com/products/Carbide-and-hard-faced-ploughshare-and-skimmer-share.html): Ploughshare and skimmer share with carbide or hard-facing treatment, extending service life in stony or abrasive field conditions.
- [Flail Mower Hammer Blade](https://www.leyumetalparts.com/products/Flail-Mower-Hammer-Blade.html): Forged or cast hammer blade for flail mowers, used for brush cutting and grass mulching with high impact resistance.
- [Row cleaner wheel](https://www.leyumetalparts.com/products/Row-cleaner-wheel.html): Trash wheel with durable cast construction for row cleaners, effectively removing crop residue ahead of planter units.
- [Seed Tube Guard](https://www.leyumetalparts.com/products/Seed-Tube-Guard.html): Heavy-duty steel guard with a wear-resistant polymer liner, protecting planter seed tubes and ensuring precise seed placement in the furrow.

## Tractor Linkage and Implement Parts
- [Tractor three-point linkage system](https://www.leyumetalparts.com/products/Tractor-three-point-linkage-system.html): Complete three-point hitch assembly for attaching implements to tractors, including lift arms, top link, and mounting hardware.
- [Lower Lift Arm](https://www.leyumetalparts.com/products/Lower-Lift-Arm.html): Forged lower arm for tractor three-point hitches, available in various lengths and connection types for different implement categories.
- [Top Link](https://www.leyumetalparts.com/products/Top-Link.html): Adjustable top link with a threaded body for fine-tuning implement angle and depth control during field operations.
- [Quick Release Tow Hook](https://www.leyumetalparts.com/products/Quick-Release-Tow-Hook.html): Marine-grade stainless steel tow hook with an instant-release latch mechanism, designed for water sports towing and vessel mooring safety.
- [tractor's clutch pedal assembly](https://www.leyumetalparts.com/products/tractors-clutch-pedal-assembly.html): Cast and machined clutch pedal assembly for tractor transmission control, engineered for high-cycle reliability and smooth operation.

## Baler and Harvesting Knotter Components
- [baler's knotter assembly](https://www.leyumetalparts.com/products/balers-knotter-assembly.html): Precision knotter parts for round and square balers, including billhook, twine holder, and related components, ensuring reliable bale tying.
- [Knotter Drive Gear](https://www.leyumetalparts.com/products/Knotter-Drive-Gear.html): Gear that drives the knotter mechanism in balers, typically manufactured from cast and machined steel for consistent torque transmission.
- [Knotter Frame/Support](https://www.leyumetalparts.com/products/Knotter-Frame-Support.html): Sturdy frame casting that holds knotter components in precise alignment during high-speed baling operations.

## Hydraulic System Components
- [Hydraulic Motor End Cover](https://www.leyumetalparts.com/products/Hydraulic-Motor-End-Cover.html): Cast and machined end cover for hydraulic motors, providing sealing faces and bearing support for rotating group assemblies.
- [Hydraulic Pump Assembly Body](https://www.leyumetalparts.com/products/Hydraulic-Pump-Assembly-Body.html): Multi-piece pump housing for high-pressure hydraulic systems, with integrated inlet/outlet ports and precision sealing surfaces.
- [Hydraulic Valve Block](https://www.leyumetalparts.com/products/Hydraulic-Valve-Block.html): Custom-machined hydraulic manifold block used to mount directional or pressure control valves and consolidate fluid connections.
- [Hydraulic Manifold Block](https://www.leyumetalparts.com/products/Hydraulic-Manifold-Block.html): Precision hydraulic manifold or sub-plate for mounting cartridge valves and routing complex fluid paths in mobile equipment.
- [Cylinder eyelet](https://www.leyumetalparts.com/products/Cylinder-eyelet.html): Welded or forged eyelet for hydraulic cylinders, serving as a reliable pivot mounting point for rod or base connections.
- [Cylinder Clevis-2](https://www.leyumetalparts.com/products/Cylinder-Clevis-2.html): Cast or machined clevis bracket for cylinder rod ends, providing a pinned connection to moving equipment linkages.
- [Flanged Cylinder Barrel](https://www.leyumetalparts.com/products/Flanged-Cylinder-Barrel.html): Double-flanged cylinder tube for welding or bolting into heavy-duty hydraulic actuators, machined bore ensures seal compatibility.

## Gears and Power Transmission
- [Heavy-Duty Spur Gear](https://www.leyumetalparts.com/products/Heavy-Duty-Spur-Gear.html): Large module steel spur gear for heavy machinery drives, featuring heat-treated teeth to handle high torque and shock loads.
- [Sector Gear](https://www.leyumetalparts.com/products/Sector-Gear.html): Partial gear segment designed for steering systems and limited-rotation mechanisms in tractors and lawn equipment.
- [Internal Ring Gear for Planetary Gearboxes](https://www.leyumetalparts.com/products/Internal-Ring-Gear-for-Planetary-Gearboxes.html): Precision-hobbed internal ring gear for planetary reduction units in excavator final drives and industrial gearboxes.
- [Steering Column Support Housing / Steering Gear Bracket (Aluminum)](https://www.leyumetalparts.com/products/Steering-Column-Support-Housing-Steering-Gear-Bracket-Aluminum.html): Aluminum die-cast housing for tractor power steering columns, lightweight and corrosion-resistant with precision-machined threads.
- [Split Shaft Collar](https://www.leyumetalparts.com/products/Split-Shaft-Collar.html): Adjustable two-piece shaft collar for positioning bearings, sprockets, or gears on shafts in power transmission systems.

## Valves, Pipe Fittings, and Fluid Handling
- [Flanged Ball Valve Body (Casting)](https://www.leyumetalparts.com/products/Flanged-Ball-Valve-Body-Casting.html): Raw investment-cast ball valve body with integrated flanges, ready for machining of seat pockets and stem bores.
- [Brass Flanged Nozzle](https://www.leyumetalparts.com/products/Brass-Flanged-Nozzle.html): Flanged brass diffuser nozzle for uniform fluid discharge or spray applications in industrial wash-down and cooling systems.
- [Y-Strainer](https://www.leyumetalparts.com/products/Y-Strainer.html): Cast Y-pattern strainer body for removing debris from pipelines, available with threaded or flanged connection options.
- [Stainless Steel 45° Elbow](https://www.leyumetalparts.com/products/Stainless-Steel-45Elbow.html): Cast stainless steel 45-degree elbow for welded piping systems, providing smooth flow redirection and corrosion resistance.
- [45° Pipe Elbow](https://www.leyumetalparts.com/products/45Pipe-Elbow.html): Standard cast pipe elbow for industrial piping, offered in carbon steel and alloy steel grades for various pressure classes.

## Other Industrial and OEM Parts
- [Mining Cable Coupler Flange](https://www.leyumetalparts.com/products/Mining-Cable-Coupler-Flange.html): Aluminum alloy flange for high-voltage mining cable connectors, with O-ring seal groove for IP68 dust and water ingress protection.
- [Fuel Injection Pump Bracket](https://www.leyumetalparts.com/products/Fuel-Injection-Pump-Bracket.html): Machined cast bracket for mounting diesel injection pumps, incorporating fluid ports and a precision bore for rotating shaft assemblies.
- [Manual Control Wheel](https://www.leyumetalparts.com/products/Manual-Control-Wheel.html): Cast iron or aluminum handwheel for manual operation of gate valves, globe valves, and machine tool fine-adjustment mechanisms.
- [Flanged Clevis Bracket](https://www.leyumetalparts.com/products/Flanged-Clevis-Bracket.html): Custom cast flanged pivot bracket for hydraulic cylinder mounting in industrial machinery, providing a pinned connection point.
- [Rectangular Tube Base Flange](https://www.leyumetalparts.com/products/Rectangular-Tube-Base-Flange.html): Structural connector for machinery frames, with a bolted flange base and a rectangular socket to receive steel tubing.
- [Screw log splitter bit](https://www.leyumetalparts.com/products/Screw-log-splitter-bit.html): Conical screw-bit for hydraulic or PTO-driven log splitters, threaded taper design efficiently splits wood with minimal effort.
- [wheel hubs](https://www.leyumetalparts.com/products/wheel-hubs.html): Cast ductile iron wheel hubs for agricultural implements and trailers, with machined bearing seats and stud patterns.

## Manufacturing Capabilities and Process
- [Process](https://www.leyumetalparts.com/process): Overview of Ningbo Leyu’s metal part manufacturing processes including investment casting, sand casting, CNC machining, and forging, with in-house quality inspection and testing capabilities.

## Application Industries
- [Application](https://www.leyumetalparts.com/application): Industries served by Leyu’s custom metal parts: agriculture, construction, mining, marine, hydraulic systems, and general industrial equipment sectors.

## About Ningbo Leyu Machinery Co., Ltd.
- [ABOUT US](https://www.leyumetalparts.com/about-us.html): Company introduction covering manufacturing experience, factory facilities, and commitment to delivering cost-effective metal components for OEM customers.
- [Contact](https://www.leyumetalparts.com/customized-service.html): Customized service inquiry page for submitting OEM part requirements, technical drawings, and project details to the sales engineering team.

## News & Technical Articles
- [CNC Machining vs. Casting vs. Forging: Choosing Smartly](https://www.leyumetalparts.com/news/CNC-Machining-vs-Casting-vs-Forging-Choosing-Smartly.html): Article comparing manufacturing processes for agricultural equipment parts, highlighting selection criteria based on durability, precision, and cost.