longsheng-cnc-banner
  • inqName.name1

    Instant Quoting

  • inqName.name2

    Rapid Prototyping

  • inqName.name3

    High-Volume Production

Instant Quoting for Your Injection Molding Projects. Get Fast, Tailored Quotes for Your Injection Molding Needs

JS offers rapid, accurate quotes for injection molding. Our system provides a variety of material options, surface treatments, and molding capabilities to give you a custom, cost-effective solution.

  • Over 100 Material Choices From ABS to TPE, we offer a wide range of thermoplastics and elastomers for diverse applications.Over 100 Material Choices From ABS to TPE, we offer a wide range of thermoplastics and elastomers for diverse applications.
  • 20+ Surface Finishes Choose from texturing, polishing, or painting. Fast turnaround in 2-5 days.20+ Surface Finishes Choose from texturing, polishing, or painting. Fast turnaround in 2-5 days.
  • Precision to ±0.02mm Achieve tight tolerances for intricate designs and high-performance parts.Precision to ±0.02mm Achieve tight tolerances for intricate designs and high-performance parts.

Get an instant quote today.

Get instant pricing, project lead times, and DFM feedback

STEP | STP | SLDPRT | STL | DXF | IPT | X_T | X_B | 3DXML | CATPART | PRT | SAT | 3MF | JT files

File size: ≤15MB

All uploads are secure and confidential.
Part 1
  • 注册.svgITAR Registered
  • 证书.pngISO 9001:2015,ISO 13485:2016,AS9100D and lATF 16949:2016 Certified

Trusted by Engineers and Purchasing Leaders at the World’s Most Successful Companies

Injection Molding

JS Manufacturing leads the way in providing precise and reliable injection molding services across diverse industries. With our ISO 9001:2015 certification, advanced machinery, and expert engineers, we guarantee top-tier quality, precision, and consistency for every part we produce. Whether you're in need of rapid prototyping or full-scale production, our team ensures timely, cost-effective solutions with quick turnaround times. Through careful quality control and strategic material selection, we help you achieve parts that not only meet but exceed performance and durability expectations.
injection-molding

Service

empty image
No data

Product Showcase

JS's injection molding services deliver parts with exceptional precision, maintaining tight tolerances from ±0.01mm to ±0.05mm. Our advanced molding techniques, combined with strict quality control, ensure that your parts meet exact specifications and perform reliably in demanding applications. Even the most intricate designs are molded with confidence and accuracy.

Tolerances

Our injection molding services deliver high-precision parts with tight tolerances. With a typical tolerance range of ±0.01mm to ±0.05mm, we ensure that your components consistently meet precise specifications and stringent quality requirements. Our advanced molding techniques and robust quality control guarantee that even the most complex designs are produced accurately and reliably.

Feature

Description

  • Maximum Part Size

    1200×1000×500 mm

  • Minimum Part Size

    5×5×5 mm

  • Part to Part Repeatability

    +/- 0.1 mm

  • Mold Cavities

    Single-cavity molds, multi-cavity molds, family molds

  • Available Mold Types

    Steel and aluminum molds. Production levels below 1000, 5000, 30000, and over 100000 uses

  • Mold Cavity Tolerances

    +/- 0.05 mm

  • Secondary Operations

    Mold texturing, pad printing, laser engraving, threaded inserts, and basic assembly

  • Undercuts

    Y-type, L-type undercuts

  • Wall Thickness

    0.5 mm to 5 mm

  • Draft

    0.5° to 2°

  • Ribs/Gussets

    0.5 mm to 3 mm thick

  • Bosses

    Diameter 3 mm to 10 mm

  • Production Options

    Domestic and international

  • Lead Time

    Starts at 5 business days, including fast quote responses with design-for-manufacturing (DFM) feedback

  • Materials

    Most plastics, including custom sourcing and matching; see materials list below

  • Machines Available

    Single, multi-cavity, and family molds; 50 to 1,100+ press tonnage; side actions including hand-loaded cores.

  • Inspection and Certification Options

    Includes FAI and PPAP. ISO 9001, AS9100, ISO 13485, UL, ITAR, and ISO 7 and 8 Medical Clean Room molding.

  • Tool Ownership

    Customer-owned with mold maintenance

  • Standard Lead Time

    3 Business days

material Selection bottom
Maximum injection molding size varies by material.Contact our team if you need further information.

Material Selection

At JS, we provide a broad selection of materials to suit various industry needs. We carefully select each material to ensure it delivers optimal performance, durability, and cost-efficiency for your project. Here are a few materials commonly used in our injection molding services:

Metals

  • Titanium
  • Steel
  • Stainless Steel
  • Zinc Alloy
  • Chromium-Nickel Alloy
  • Brass
  • Copper
  • Aluminum
  • Bronze
  • Cold Rolled Steel
  • Nickel
  • Silver-Tin Oxide
  • Cast Iron
Titanium

Titanium is known for high strength, low weight, and corrosion resistance. We process grades like Ti-6Al-4V, Ti-5Al-2.5Sn, Ti-6Al-4V ELI, and Ti-Grade 2, which are widely used in aerospace, medical implants, and sports equipment.

Plastics

  • Polycarbonate (PC)
  • Polyoxymethylene (POM)
  • Polyphthalamide (PPA)
  • Polyphenylene Sulfide (PPS)
  • Teflon (PTFE)
  • Polyvinyl Chloride (PVC)
  • Ultra High Molecular Weight Polyethylene (UPE)
  • Polyether Ether Ketone (PEEK)
  • Nylon (PA)
  • Glass-Filled Nylon
Polycarbonate (PC)

Polycarbonate is a transparent, highly durable plastic known for its superior impact resistance. We offer different grades suitable for eyewear lenses, medical devices, and protective equipment.

We offer customization based on your specific material requirements, if you need a material not listed here, our team can source and process ito meet your exact needs

material Selection bottom
The materials listed are just a few we offer. If you have specific material needs, feel free to reach out, and we'll guide you in selecting the best fit for your project.

Surface Finishing

We offer a variety of custom surface finishes to enhance the appearance, performance, and durability of your injection molded parts. Our surface finish options are designed to meet diverse industry requirements, providing both functional and aesthetic benefits.

Natural Gloss

NaturalGloss

Mechanical/chemical polishing creates reflective mirror finish without coating. Ideal for decorative metal parts.

Matte

Matte

Sandblasting/etching creates uniform non-reflective texture with anti-fingerprint properties. Used on electronic enclosures.

Electropolish

Electropolish

Electrochemical process removes micro-protrusions for ultra-smooth, corrosion-resistant surfaces. Common in medical/food-grade stainless steel.

Electrophoresis

Electrophoresis

Electric field deposits paint particles uniformly on complex shapes. Offers strong adhesion and eco-friendly process.

Chromeplate

Chromeplate

Electroplated chromium layer provides mirror-like finish (800-1000HV hardness). Used in automotive trim & bathroom fixtures.

Gold Plating

GoldPlating

Depositing 0.1-5μm gold layer enhances aesthetics and oxidation resistance. Ideal for electronic contacts/jewelry.

Black Oxide

BlackOxide

Chemical oxidation creates black Fe3O4 layer to reduce glare and improve rust resistance. Used on tools/machinery parts.

Black Glossy

BlackGlossy

High-gloss black coating via spray/plating combines aesthetics and weather resistance. Applied to consumer electronics.

Black Sand Texture Powder Coating

BlackSandTexturePowderCoating

Textured powder coating mimics sand grains for scratch-resistant surfaces. Used in outdoor equipment.

Black Tabby Powder Coating

BlackTabbyPowderCoating

Matte black powder coating with smooth finish for corrosion protection. Used in appliances/industrial machinery.

Black Yarn Pattern Powder Coating

BlackYarnPatternPowderCoating

Interwoven fiber-like texture improves grip and wear resistance. Ideal for tool handles.

Anodize Type II Matt

AnodizeTypeIIMatt

Matte black anodized aluminum with high hardness and fingerprint resistance. Common in electronics.

Gold Chromate

GoldChromate

Chromate coating dyed gold for corrosion resistance and aesthetics. Applied to zinc alloy parts.

Paint Coating Black

PaintCoatingBlack

Thermally cured matte black paint with scratch resistance. Used in automotive interiors.

Brush True Color Chromate

BrushTrueColorChromate

Brushed texture with chromate coating maintains metallic look and rust prevention. For aluminum signs.

Brush Passivate

BrushPassivate

Brushed stainless steel passivated to remove iron ions and improve corrosion resistance. Used in cutlery/medical tools.

Brush Red Copper

BrushRedCopper

Mechanically brushed red copper with linear grain for decorative applications like artworks.

Polish Red Copper

PolishRedCopper

Hand/machine polished red copper with enhanced oxidation resistance. Used in sculptures/jewelry.

Polish Brass

PolishBrass

High-gloss polished brass for vintage-style lighting fixtures and hardware.

Bead Blast 304 Steel

BeadBlast304Steel

Abrasive blasting creates uniform satin finish on 304 stainless steel. Hides minor scratches in architectural panels.

Bead BlastRed Copper

BeadBlastRedCopper

Sandblasted red copper with matte texture to slow oxidation. Common in artistic metalworks.

Bead Blast Brass

BeadBlastBrass

Blasted brass surface reduces glare and improves wear resistance. Used in door handles.

Oil-Sprayed White Matte

Oil-SprayedWhiteMatte

White matte oil-based coating with soft touch and easy cleaning. Applied to appliance control panels.

Temper

Temper

Heating/cooling process modifies metal hardness (e.g. aluminum T6). Critical for load-bearing components.

Carbonization

Carbonization

High-temperature carbon infusion boosts surface hardness (up to 60HRC). Used in gears/cutting tools.

Harden Oxide

HardenOxide

Hard anodizing creates thick oxide layer (50-100μm) with insulation/heat resistance. For aerospace components.

Harden Glossy Anodize Type II

HardenGlossyAnodizeTypeII

Glossy black hard anodizing with ceramic-like finish. Provides extreme wear resistance for cameras/optics.

True Color Chromate

TrueColorChromate

Chromate conversion coating retains base metal color, improves corrosion resistance and conductivity. Used on aluminum/zinc substrates.

material Selection bottom
These are just a few of the surface finishing options we offer. lf you have a specific requirement, please reach out to us to discuss the best solution for your project.

Advantages & Features

JS Manufacturing offers a comprehensive range of injection molding services, designed to deliver both precision and cost-efficiency for your projects. Here’s why you should consider us for your next injection molding job:

Video Thumbnail
Unmatched Precision & Tight Tolerances

Unmatched Precision & Tight Tolerances

Our advanced machinery and expert team guarantee precise, high-quality parts with tolerances as tight as ±0.02mm. Whether it's for functional components or complex designs, we ensure your parts meet rigorous specifications every time.

Rapid Production & Fast Lead Times

Rapid Production & Fast Lead Times

Need quick delivery? Our streamlined production processes allow us to provide high-quality injection molded parts in as little as 1-2 weeks. For urgent projects, we also offer expedited services to meet your tight deadlines.

Diverse Material Selection

Diverse Material Selection

JS Manufacturing offers a wide variety of materials, including thermoplastics and thermosets, such as ABS, PC, PP, Nylon, and more. This flexibility allows us to cater to a broad spectrum of industries, ensuring your parts perform optimally.

Custom Surface Finishes for Every Need

Custom Surface Finishes for Every Need

We offer a broad selection of surface finishing options, from texturing to polishing and coatings, to ensure your parts not only function flawlessly but also meet your aesthetic and durability requirements.

Cost-Effective Manufacturing Solutions

Cost-Effective Manufacturing Solutions

We focus on delivering value by reducing material waste and minimizing tooling costs. This approach ensures cost-efficiency, whether you're creating prototypes or scaling up for full production.

Flexible Scalability, From Prototype to Mass Production

Flexible Scalability, From Prototype to Mass Production

JS Manufacturing is equipped to handle projects of any scale, from a single prototype to large orders of 10,000+ units. We offer flexibility that accommodates your production needs as they evolve.

material Selection bottom
Our combination of precision, speed, and cost-effectiveness makes us the ideal partner for your injection molding projects. Let's discuss your requirements today and receive a tailored quote.

Case Studies

JS Manufacturing has been a trusted partner in delivering high-quality, precision injection molded parts across a wide range of industries. Below are examples of how our solutions have addressed specific challenges, contributing to the success of our clients' projects.

Automotive Industry

Automotive Industry

Medical Devices

Medical Devices

Consumer Electronics

Consumer Electronics

Aerospace

Aerospace

Industrial Equipment

Industrial Equipment

material Selection bottom
These case studies illustrate our ability to deliver high-quality, precision injection molded parts across various industries. Contact us today to discuss your specific project requirements and how we can help you achieve your goals.

Quality Control

At JS Manufacturing, our commitment to quality goes beyond just meeting standards — it's about exceeding them. We take pride in applying meticulous quality control measures to every part we produce, ensuring precision and reliability at every stage of the injection molding process. With cutting-edge technology and a dedicated team, we guarantee consistent excellence in the final product, tailored to meet your specific requirements

In-Process Inspections

Before any part leaves our facility, it undergoes a thorough final inspection. We use advanced measurement tools to verify that every component meets required specifications and precision standards, ensuring the highest level of quality before delivery.

Final Inspections

Before any part leaves our facility, it undergoes a thorough final inspection to verify its quality and precision. We use advanced measurement tools and techniques to ensure that each part meets the required specifications and standards.

Precision Measurement Tools

To achieve the tightest tolerances and most accurate measurements, we rely on state-of-the-art tools such as Coordinate Measuring Machines (CMM), optical comparators, and laser scanners. These technologies allow us to maintain exceptional precision in every component, ensuring that even the most complex designs are produced flawlessly.

Certified Quality Standards (ISO 9001, ISO 14001, IATF 16949, AS9100D)

Our commitment to quality is backed by ISO 9001 certification, which ensures our quality management system is consistently effective and continually improving. We also adhere to ISO 14001, IATF 16949, and AS9100D standards, ensuring we meet the needs of various industries while maintaining environmental sustainability and operational excellence.

Continuous Improvement

We believe in continuous improvement and regularly review our processes and practices to identify areas for enhancement. By investing in the latest technologies and training for our staff, we strive to maintain our reputation for quality and innovation.

Quality Control Image
material Selection bottom
Choosing JS Manufacturing means choosing a partner that cares about the success of your project. Our rigorous quality control process ensures that your injection molded parts meet the highest standards, giving you the precision and reliability you need. Contact us today to discuss your project and receive a fast, accurate quote.

Contact Us for More Information

Should you have any additional questions or require more details, feel free to reach out to us. Our dedicated team is ready to assist you with all your precision manufacturing requirements.

Phone

Click or drag file to this area to upload

If there are any files, you can also transfer them to us. If there are multiple files, you need to select them all and click 'Upload'.

File size: ≤15MB

Support format: jpg, pdf, png, bmp, doc, zip, rar, dwg, xlsx, excel, x_t, igs, step, stl, glb, gltf

At JS Manufacturing, we understand that you may have questions about our injection molding services. To help you better understand our capabilities and processes, we’ve compiled answers to some of the most frequently asked questions. If you need further assistance, our team is always ready to assist you.

Our typical lead time for injection molded parts is 1 week, depending on the complexity and volume of the order. For expedited services, we can deliver parts as fast as 1-3 days.

material Selection bottom
If you have any other questions or need further information, please do not hesitate to contact us. Our team is here to help you with all your injection molding needs.

Customer Testimonials

Our customers’ satisfaction is a testament to the quality and reliability of our injection molding services. Here’s what some of our clients have to say about their experience working with JS Manufacturing:

icon-comma

JS Manufacturing exceeded our expectations with their exceptional injection molding services for our latest automotive components. The team’s responsiveness and expertise allowed us to stay on track with our project timeline, while delivering parts that demonstrated superior precision and durability.

icon-name
John Smith
icon-company
Nexus Automotive Solutions
icon-comma

The precision and speed of JS's injection molding services are unmatched. They were proactive during the design phase, providing insights that helped us enhance the manufacturability and performance of our medical devices. A truly reliable partner.

icon-name
Jane Williams
icon-company
MedPro Devices
icon-comma

The quality of injection molded parts from JS Manufacturing has been outstanding. Every component showcased their commitment to quality and precision. These parts have contributed significantly to the seamless assembly of our electronic products.

icon-name
Michael Lee
icon-company
Innovo Tech Solutions
icon-comma

Collaborating with JS Manufacturing was an effortless process. Their team demonstrated professionalism and clarity in communication, and delivered our parts well before the deadline. The quality of the parts was exceptional, which is vital for our consumer electronics line.

icon-name
Emily Chen
icon-company
Fusion Electronics Ltd.
icon-comma

The precision and consistency of the injection molded parts from JS Manufacturing have been crucial for the performance of our industrial equipment. Their ability to deliver on tight tolerances and adhere to our timelines has proven their reliability as a key partner.

icon-name
David Wong
icon-company
Precision Machineries Co.
material Selection bottom
These testimonials reflect our commitment to excellence and customer satisfaction. Join our list of satisfied customers by choosing JS Manufacturing for your injection molding needs. Contact us today to discuss your project and get an instant quote.
longsheng customer
Contact