ZheJiang HengJi YongXin New Materials Co., LTD
Powder Metallurgy (PM)

Powder Metallurgy Products - Quality and Precision in Every Part

Powder Metallurgy is a highly efficient manufacturing process for producing precise, complex metal components. It involves compacting fine metal powders in a mold under high pressure, followed by sintering in a controlled atmosphere furnace. This bonds the particles into a solid, durable structure. PM parts offer exceptional dimensional accuracy and near-net-shape capabilities, minimizing material waste and secondary machining. Key advantages include cost-effectiveness for high-volume production, ability to create unique material combinations, and excellent control over properties like strength and porosity. These components are vital across industries, including automotive, aerospace, and industrial equipment.

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Powder Metallurgy Products & Parts Types

Coupling Yoke
Used in automotive emission systems, it's a standard powder metallurgy part pressed from stainless steel.
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External Rotor
Hengji oil pump component designed exclusively for Brose and manufactured from iron-based powder metallurgy material.
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Catch Plate
Primarily used in automotive rearview mirror and clutch systems, and manufactured from iron-based material.
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Clutch Gear
Used in automotive clutch systems and manufactured from iron-based material.
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Internal Rotor
The internal rotor is a core rotating component located inside the motor stator.
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Housing
The housing serves as the primary structural enclosure and protective shell for mechanical or electrical components.
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Sensor Nut
A sensor nut is a specialized fastener that integrates sensing capabilities into its structure.
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Three-Jaw Chuck
A three-jaw chuck is a fundamental clamping device widely used in lathes and rotary machinery.
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CAM, RAKE
The square-body three-jaw chuck features a robust square-shaped housing that provides enhanced stability and mounting versatility compared to traditional round designs.
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Adaptor-Oxygen Sensor
The oxygen sensor adaptor is a precision-engineered connector designed to interface between an oxygen sensor and an exhaust system with non-matching thread specifications.
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Valve seat
This high-precision valve seat serves as a critical sealing component, engineered to provide reliable seating for valve elements.
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Rear O2 Sensor Boss
The rear O2 sensor boss is a welded mounting fitting installed on the exhaust pipe downstream of the catalytic converter.
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Inlet Flange
The inlet flange is a machined connector designed to join pipes, hoses, or components to an intake port.
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Porous Bearing
A porous bearing is a self-lubricating component made from powdered metal, typically bronze or iron, sintered to create interconnected oil-filled pores.
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Pole Ring
A flux ring is a precision-machined ferromagnetic component used in magnetic particle brakes, clutches, and electromagnetic systems.
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Crankshaft
A crank is a mechanical component that converts reciprocating linear motion into rotary motion, or vice versa.
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Linear Adjustment Slide
An adjusting slide is a precision linear motion component used for fine positioning in machinery, jigs, and automation systems.
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Spring Slider
A spring slider is a tension-adjustable sliding component used in conveyor systems, packaging machinery, and automation equipment.
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Temperature Sensor Boss
A temperature sensor boss is a welded or threaded mounting fitting that secures a temperature probe into pipes, tanks, or engine components.
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Front Differential Pressure Sensor Boss
The front differential pressure sensor boss is a precision mounting interface welded onto pipes or filter housings to secure a differential pressure sensor.
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Gen 2 Front Brake Coupling Seat
The Gen 2 Front Brake Coupling Seat is an engineered mounting interface designed for Gen 2 front brake line connections in automotive hydraulic systems.
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Output Gear
An output gear is the final power-transmitting component in a gearbox or drivetrain, delivering torque to driven equipment such as wheels, shafts, or spindles.
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Intermediate Housing Gas Seal Plate
The Intermediate Housing Gas Seal Plate is a precision-engineered component installed between turbocharger or compressor housing sections.
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Spur gaer
A spur gear is a cylindrical gear with straight, parallel teeth mounted on a shaft. It transmits motion and power between parallel shafts with high efficiency.
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Pulley Belt
A pulley belt is a flexible loop used to transmit mechanical power between two or more rotating pulleys.
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Setting Ring Gauge
A setting ring is a precision-machined cylindrical gauge used for calibrating measurement instruments such as bore gauges, micrometers, and dial indicators.
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Sprocket
This sprocket features sharp, hardened teeth for secure, slip-free chain engagement and efficient power transmission.
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Rotor
A rotor is the rotating component of an electromagnetic or mechanical system.
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Imbalance Vibration Massage
Imbalance vibration massage refers to the oscillatory motion generated by an intentionally unbalanced rotating mass.
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Cam Component
A cam is a rotating or sliding mechanical component that converts rotary motion into linear reciprocating motion.
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Lever Pin
A lever pin is a cylindrical fastener used as a pivot or fulcrum for levers in mechanical assemblies.
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Seat (Valve Seats, Bearing Seats, Spring Seats)
A seat is a precision-engineered surface or component that supports, seals, or positions another part within a mechanical assembly.
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Flange
This precision-engineered flange features a robust, multi-lug design with both round and slotted mounting holes for secure, adjustable installation.
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Sector gear
The sector gear is a mechanical component featuring a partial circular array of teeth.
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Middile gear
The middle gear is a critical component in power transmission systems.
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Compound Gear
The compound gear is specialized mechanical component featuring two or more gear sections of different sizes integrated onto a single shaft.
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Pinion
The pinion gear is a small cylindrical gear designed to mesh with a larger gear or rack.
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UP50 Base plate
The UP50 Base Plate is a precision-engineered mounting component designed to provide stable support for mechanical assemblies.
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UP50 Cover Plate
The UP50 Cover is a robust, circular component designed to protect internal mechanisms within a housing or assembly.
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Bearing bush
The bearing bush is a cylindrical sleeve designed to reduce friction between moving parts in mechanical assemblies.
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Coupling
This precision-engineered coupling features an internal splined bore for secure torque transfer, paired with a 4-lug drive design for reliable power transmission.
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Hexagonal gear
This precision hexagonal gear is a high-performance mechanical component engineered for reliable power transmission.
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Internal gear ring
The internal gear ring is a precision-engineered component featuring teeth cut on the inner diameter of a ring-shaped blank.
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Movable gear ring
The movable gear ring is an axially displaceable internal gear component used in synchronizer assemblies and shiftable planetary systems.
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HUB ROTOR MBG
The Hub Rotor MBG is a precision-engineered assembly combining a wheel hub and brake rotor into a single unit.
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Precision Engineering in Our Powder Metallurgy Products Line

Hengji possesses strong technical capabilities supported by a skilled R&D team of 26 members with bachelor's or higher degrees (17% of total staff), including 1 PhD, 1 Master, and 1 Academician. The core team maintains stable composition with extensive experience in powder metallurgy (PM). Our 860㎡ R&D facility is equipped with full-range design, prototyping, and testing resources. We actively collaborate with institutions like Harbin Institute of Technology and Ningbo Engineering College to advance PM technologies. The company has developed critical automotive PM components for mirror transmission, turbocharging, braking, exhaust, motor, and steering systems. Our technical achievements include 70 national patents

Precision Engineering in Our Powder Metallurgy Products Line
Core Quality Strategy & Commitment

Core Quality Strategy & Commitment

Core Strategy: Establish quality management as the core corporate strategy.


System Certification: With IATF 16949 as the quality core, we integrate the ISO 14001, ISO 45001 and social responsibility systems to achieve all-round systematic management.


Key Processes: We have created an exclusive Four-Inspection Protocol (first-off inspection, self-inspection, final inspection, 100% inspection), and strictly adhere to international, customer and national standards.


Quantifiable Results: Over the past three years, empowered by the application of digital tools, the process quality defect rate has decreased by 0.9% and the quality cost has been reduced by 0.7%, driving a continuous improvement in customer satisfaction.


Value Commitment: Through systematic and stringent supervision and continuous improvement, we ensure zero product defects and high customer satisfaction.

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