MIM Business Supplier, Metal Injection Molding Manufacturer In China

About Jlymim

Jinlongyuan Precision Technology Co., Ltd. (Jlymim) is a professional manufacturer specializing in Metal Injection Molding (MIM), CNC machining, and powder metallurgy technologies. With years of experience and advanced production capabilities, we serve global clients across diverse industries.

Our mission is to deliver high-precision, complex-shaped metal components with excellent mechanical properties, surface finish, and dimensional accuracy. We combine cutting-edge technology with strict quality control to ensure every part meets international standards.

ISO-Certified Manufacturing Processes
In-House R&D and Tooling Design
Advanced Sintering and Surface Treatment
Global Supply Chain Support

Our Capabilities

From concept to production, we offer end-to-end manufacturing solutions with expertise in MIM, CNC machining, and advanced metal processing.

Metal Injection Molding (MIM)

High-volume production of complex, net-shape metal parts with excellent density, strength, and surface finish. Ideal for small to medium-sized components.

CNC Machining

Precision CNC turning and milling services for prototypes, low-volume production, and secondary operations on MIM parts.

Powder Metallurgy

Advanced powder processing techniques for producing high-performance metal components with controlled porosity and material properties.

Tight Tolerances

Capable of achieving tolerances as tight as ±0.3% to ±0.5%, ensuring precision fit and function in critical applications.

Quality Assurance

Full inspection capabilities including CMM, optical comparators, metallurgical analysis, and mechanical testing.

Surface Treatments

Offer polishing, plating, passivation, PVD, and other surface finishing options to enhance appearance and performance.

Our MIM Products

High-precision metal injection molded components for medical, electronics, automotive, and industrial applications.

Automotive MIM Parts

Gears, sensors, fuel system components, and transmission parts with high strength and wear resistance.

Material: 17-4PH, 316L, Fe-2Ni
Weight: 1–50g
Tolerance: ±0.5%

Medical & Dental Parts

Surgical instruments, implant components, dental brackets, and diagnostic device parts.

Material: 316L, 17-4PH, Ti-6Al-4V
Biocompatible & Sterilizable
High Surface Quality

Electronics & Mobile

Housings, connectors, camera modules, and structural components for smartphones and wearables.

Material: 316L, 17-4PH, Fe-2Ni
Miniature & Complex Geometry
High Dimensional Accuracy

Industrial Components

Valve parts, pump components, tooling inserts, and wear-resistant mechanical parts.

Material: 17-4PH, 420SS, Hard Alloys
High Strength & Durability
Customizable Surface Finish

Precision Gears

Spur, helical, and planetary gears with high tooth accuracy and load-bearing capacity.

Module: 0.1–1.0
Material: 316L, 17-4PH
Can be machined or sintered

Surgical Instruments

Clamps, forceps, needle holders, and other handheld medical tools.

Material: 316L, 420SS
Autoclavable & Corrosion Resistant
Smooth Surface Finish

Connectors & Housings

EMI/RFI shielding enclosures, electrical connectors, and sensor housings.

Material: 316L, 17-4PH
Hermetic Sealing Possible
High Conductivity Options

Custom MIM Solutions

Fully customized parts from design to mass production with rapid prototyping support.

Design for MIM (DFM) Support
Tooling In-House
Low to High Volume

Why Choose Jlymim?

Complex Geometries

Produce intricate shapes impossible with traditional machining or casting.

High Efficiency

Mass production with minimal material waste and reduced secondary operations.

Excellent Properties

Near-full density, high strength, and superior mechanical performance.

Global Support

Serving clients worldwide with reliable delivery and technical support.

Frequently Asked Questions

What materials can be used in MIM?

Common MIM materials include stainless steels (316L, 17-4PH, 420), low-alloy steels, tool steels, tungsten alloys, titanium, and specialty alloys like Kovar and Invar.

What are typical tolerances for MIM parts?

Typical tolerances are ±0.3% to ±0.5% of the dimension. Tighter tolerances can be achieved with secondary machining if required.

What industries use MIM components?

MIM parts are widely used in medical & dental, automotive, consumer electronics, firearms, aerospace, and industrial equipment sectors.

Can MIM parts be heat treated or plated?

Yes, MIM parts can undergo various heat treatments (solution annealing, aging, etc.) and surface treatments including plating, passivation, PVD, and polishing.

What is the typical lead time for MIM production?

Prototype lead time: 4–6 weeks. Production: 6–10 weeks depending on complexity and volume. Tooling is typically completed within 3–4 weeks.

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Precision Metal Injection Molding Solutions