Metal Injection Molding Services From China
As a trusted Metal Injection Molding manufacturer, Formioo operates its own advanced manufacturing facility and partners with over 200 vetted suppliers. We offer high-precision metal parts.
- 50+ Material Certifications & 15+ Surface Finishing Solutions
- Economical solutions for prototype and mass production
- ISO 9001:2015 Certified, promising global standards of quality
- Extensive Manufacturing Expertise with a strong supply network
Metal Injection Molding Small Batch Production
We at Formioo have our own in-house cutting-edge production facility and an extensive network of more than 200 quality-tested suppliers with expertise in high-precision metal injection molding. Our affordable, reliable, and scalable production services cater to industries such as automotive, healthcare, electronics, and industrial equipment. Whether you need quick prototyping or production on large quantities, our production process is such that each part is of the highest precision and quality.
Our on-site facility and stable network of suppliers enable us to offer a wide range of metal injection molding services, from quick prototyping to full-scale production. Our ISO 9001:2015-approved quality system provides close tolerances of up to ±0.01 mm on more than 50 grades of material and 15 finish choices.
Formioo, being a premier metal injection molding supplier, is committed to producing high-performance parts with quick turnaround. All of our specially manufactured parts are priced competitively without sacrificing quality.
Metal Injection Molding Services
Our own metal injection molding facility is dedicated to the entire process: feedstock production, precise injection molding, debinding, and sintering. Each process is stringently controlled to offer superior dimensional accuracy and excellent mechanical strength. With rapid prototyping and high-volume production capabilities, we offer cost-effective, high-quality metal components with close tolerances to meet the diverse needs of various industries through effective manufacturing processes.

Combines metal powders with binders for complex shapes.

Removes binders to prepare parts for sintering.

Heats parts to fuse metal particles for strength.

Enhances part appearance and performance.
Metal Injection Molding Capabilities
Material Compatibility
Our capability to form stainless steel, carbon steel, aluminum, copper, and other metal alloys based on various industry and custom production demands.
Printing Accuracy
Our standard tolerance is controlled within ±0.01mm, ensuring high precision for mechanical components, electronic parts, and industrial applications.
Maximum Build Size
Our maximum molding size is up to 1000mm × 600mm × 500mm, suitable for small to medium-sized parts.
Surface Finishing Options
We can polish, anodize, powder coat, electroplate, laser engrave, and more for added durability and beauty.
Delivery Time
Our standard metal injection molding lead time is 5-10 days, with a provision for rush service in the event of urgent orders.

Our Latest Metal Injection Molded Products
Explore our precision-engineered metal injection molded parts and see the quality for yourself. From prototyping to mass production, our high-precision components meet the toughest industry standards. Visit our website to view our product gallery today!
Metal Injection Molding Tolerance
Name | Tolerance Rang |
---|---|
Standard MIM Parts | +/- 0.3 mm to +/- 0.5 mm |
High-Precision MIM Parts | +/- 0.05 mm to +/- 0.2 mm |
Complex MIM Parts | +/- 0.2 mm to +/- 0.4 mm |
- *Formioo accommodates part lengths of up to 48", depending on the process. For larger dimensions, please reach out to us for inquiries. The tolerances listed represent minimums under ideal conditions; however, looser tolerances may be necessary based on the process, material selection, or part geometry.
Metal Injection Molding Materials
Stainless Steel
Stainless Steel is also a widely utilized material in Metal Injection Molding due to the fact that it is highly corrosion resistant, highly strong, and highly formable. Its toughness gives the capability to create complex forms with fine details and high dimensional accuracy. In MIM, it is used widely in medical products, automobile components, and consumer electronic products. Surgical instruments, engine components, and appearance fasteners, for example, are because of its durability and look. Its ability to preserve integrity in harsh chemical environments makes it a material of choice for precision engineering applications.
- Mill Lead Time: 3-5 days
- Finishes: Polished, matte, passivated

Tool Steel
Tool Steel is ideal for Metal Injection Molding due to its high hardness, wear characteristics, and thermal resistance. Its ruggedness allows the production of intricate high-performance tools and components. Tool steel in MIM is extensively used to manufacture cutting tools, dies, and precision gears. Its hardness and strength are greatly desirable for the construction of injection molds, stamping dies, and industrial machine components. Its hardening properties regardless of stressful conditions make it a desirable choice for strict engineering applications that call for precision and longevity.
- Mill Lead Time: 4-6 days
- Finishes: Heat treated, ground, polished

Titanium
Titanium is a highly suited material for Metal Injection Molding because it has a high strength-to-weight ratio, good corrosion resistance, and is biocompatible. Its light weight along with improved mechanical properties makes it ideal for the production of complex components with reduced weight. Titanium in MIM finds promising applications in aerospace, medicine, and automobiles. For example, medical implant devices, aircraft components, and high-performance engine components all benefit from titanium’s strength and efficiency. This one combination provides innovative engineering solutions to demanding applications.
- Mill Lead Time: 5-7 days
- Finishes: Anodized, sandblasted, polished

Tungsten
Tungsten is a great choice for Metal Injection Molding as it possesses very high density, greater strength, and good thermal properties. Its ability to resist extreme heat and aggressive environments gives it good suitability for heavy-duty applications. For MIM, tungsten finds extensive use for aerospace counterbalances, shielding against radiation, and complex military parts. The high strength and thermal conductivity of tungsten, for example, are applied in ballast weights, radiation shielding, and electrical contacts. Its application in complex MIM processes provides high-performance reliability in unfavorable conditions, thus becoming a critical material in high-grade engineering usage.
- Mill Lead Time: 7-10 days
- Finishes: Raw, machined, coated

PC
Polycarbonate (PC) is more tough, transparent, and heat resistant and hence an appropriate material to use in different insert injection molding applications. It can be directly combined with metal or fiber-reinforced inserts to provide strength and durability to components. PC is widely utilized for enclosures in electronics, medical equipment, as well as automobile lights. For example, PC is widely utilized on overmolded metal hinges in devices, insert fasteners in transparent housings, and combine with metal inserts in secure electrical assemblies. Its superior impact resistance and transparency lead to high-quality and reliable designs.
- Mill Lead Time: 3 days
- Color: Transparent with available tinted variations

PA
Polyamide (Nylon) is particularly suited to insert injection molding because of its very good strength, abrasion resistance, and thermal stability. Nylon will bond well to metal inserts and creates strong and reliable parts. Nylon is widely used in gear housings, high load fasteners, and mechanical components in automobile and aerospace applications. For example, it is used for overmolding threaded inserts for electrical connectors, reinforcement of metal frames, and the making of strong structural parts. Its better stress and diverse condition performance guarantees long-term use in hard-working conditions.
- Mill Lead Time: 4 days
- Color: Natural with a range of dye options

POM
Acetal (POM) is the material of choice for insert injection molding because of high stiffness, low friction, and excellent dimensional stability. Its characteristics make it a dependable choice for bonding to metal or other inserts to form strong, precise parts. It finds widespread usage in mechanical gear, fasteners, and precision parts in automotive and electronic use. For instance, Acetal is applied for overmolding metal bushings, holding embedded fasteners, and supporting assembly pieces for enhanced wear resistance. Its predictable processing characteristics and long-term strength have established it as a trusted choice for high-performance engineering applications.
- Mill Lead Time: 4 days
- Color: White with versatile finish options

PMMA
PMMA is chosen for IMD due to its optical clarity and weather resistance. It is widely used in displays, light guides, and automotive windows. For instance, PMMA is applied in smartphone screen protectors due to its transparency and scratch resistance.
- Mill Lead Time: Up to 5 days
- Color: Transparent, custom colors

PBT
PBT (Polybutylene Terephthalate) is an engineering thermoplastic with high performance that possesses better mechanical strength, heat resistance, and electrical insulation properties. It has higher dimensional stability, low water absorption, and excellent chemical resistance, and therefore is specially appropriate for use in automotive components, electrical connectors, and industrial applications. PBT can also be glass-filled to provide improved strength and impact resistance. Its ease of processing and stability also render it an ideal material for precision-molded parts.
- Production Lead Time: As fast as 7 days
- Color: White, Black, Gray, Natural, Custom Colors Available

PEEK
PEEK is suitable for IMD in high-temperature and chemical-resistant applications. It is used in aerospace, medical implants, and automotive components. For example, PEEK is used in engine components because of its thermal stability and mechanical strength.
- Mill Lead Time: Up to 7 days
- Color: Natural, black, custom colors

PPS
PPS is chosen for IMD due to its high thermal stability and flame resistance. It is used in electrical devices, automotive devices, and industrial applications. For example, PPS is used in connectors and sensors because of its environmental stress resistance and stability.
- Mill Lead Time: Up to 7 days
- Color: Natural, black, custom colors

LCP
LCP (Liquid Crystal Polymer) is a high-performance thermoplastic with more mechanical strength, heat resistance, and dimensional stability. It is chemical-resistant, low in water absorbency, and has better flow characteristics and is thus best applied to micro-precision components in automotive, electronics, medical, and aerospace markets. LCP finds applications in connectors, circuit boards, and other high-temperature applications where stability and reliability are needed.
- Production Lead Time: As fast as 7 days
- Color: Natural, Black, Custom Colors Available

PVDF
PVDF material (chemical name Polyvinylidene fluoride) is manufactured by Ensinger in standard product forms of sheet and rod. Polyvinylidene fluoride is a semi-crystalline, opaque, thermoplastic fluoropolymer. PVDF provides excellent chemical resistance without the lower mechanical values and/or processing problems of other fluoropolymer materials. PVDF material has a melting point of 171 degrees Celsius.

PI
PI is the material of choice for aerospace injection molding due to its excellent thermal stability, mechanical strength, and wear resistance. PI can be used at high temperatures and has complex geometry. PI is highly applied in aerospace as bearings, seals, and insulation components. For example, jet engine bearings and thermal insulation parts often use PI for its durability.
- Mill Lead Time: Up to 6 days
- Color: Natural, brown, or custom finishes

Finishing Options for Metal Injection Molding
Name | Applicable Materials | Colors | Can Be Applied with | |
---|---|---|---|---|
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Polishing | Stainless Steel, Iron, Bronze | — | Buffing, Tumbling |
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Electroplating | Stainless Steel, Copper, Zinc | Chrome, Gold, Silver | Electroplating Bath |
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Anodizing (Type II & III) | Aluminum, Stainless Steel | Clear, Black, Gold | Media Blasting, Tumbling, Passivation |
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Powder Coating | Steel, Stainless Steel, Aluminum | Custom Colors | Spray Application |
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Painting | Metal, Steel | Custom Colors | Spray, Dip, or Brush Application |
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Laser Etching | Metal, Stainless Steel | — | Laser Machines |
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Bead Blasting | Stainless Steel, Aluminum | — | Sandblasting, Abrasive Blasting |
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UV Coating | Metal, Stainless Steel | Glossy, Matte | UV Curing Process |
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Surface Texturing | Stainless Steel, Iron | — | Mold Texturing, Laser Etching |
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Vibratory Finishing | Stainless Steel, Iron | — | Vibratory Tumbling |
- *We offer a range of additional finishing options, including chromic acid anodizing, cadmium plating, copper plating, titanium anodizing (blue anodizing), gold plating, silver plating, and more. If you require finishes for materials not mentioned here, please reach out to us directly.
Metal Injection Molding FAQs
Which metals can be utilized in Metal Injection Molding?
We have stainless steel, titanium, copper alloys, and many more. Let us know your material requirements.
Can complex part geometries be tackled with Metal Injection Molding?
Yes! Metal Injection Molding is an excellent means to produce complex, high-accuracy components challenging to produce with traditional manufacturing methods.
What is the usual tolerance of parts produced by Metal Injection Molding?
We achieve tolerances of as low as ±0.3% of the part size, offering precision for demanding applications.
Do you offer secondary finishing services for Metal Injection Molding parts?
Yes, machining, polishing, plating, and heat treatment are available to satisfy your end part needs.
What is the minimum order quantity for Metal Injection Molding?
We do have low volume as well as high volume, but the MOQ changes with the complexity of the parts. Let’s discuss your needs.
How do you achieve material consistency in Metal Injection Molding?
Our rigorous material selection and control process guarantee consistent quality per batch.
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