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    Instant Quoting

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    Rapid Prototyping

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    High-Volume Production

Instant Quotes for Your Plastic Injection Molding Needs

JS offers rapid, precise quotes for all your injection molding projects. With a wide selection of materials, finishes, and exceptional molding capabilities, our system ensures you get a tailored and competitive offer for your production needs.

  • 100+ Material Choices: From ABS to TPE, find the perfect thermoplastic or elastomer for your application.100+ Material Choices: From ABS to TPE, find the perfect thermoplastic or elastomer for your application.
  • 20+ Surface Options: Enhance part aesthetics and performance with finishes like texturing, polishing, and painting.20+ Surface Options: Enhance part aesthetics and performance with finishes like texturing, polishing, and painting.
  • Precision to ±0.02mm: Maintain tight tolerances for high-quality, intricate parts.Precision to ±0.02mm: Maintain tight tolerances for high-quality, intricate parts.

Get an instant quote today.

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

Plastic Injection Molding

JS specializes in plastic injection molding, offering flexible solutions with a broad selection of materials and technologies for various industrial needs. Our ISO 9001:2015 certification, cutting-edge machinery, and experienced team ensure that every part meets high standards of quality, precision, and durability. Whether you need rapid prototypes or high-volume production, we deliver fast, reliable results at competitive prices. With a focus on material selection and quality control, we guarantee that your parts will perform consistently and efficiently in their intended applications.
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Service

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Product Showcase

JS offers plastic injection molding services to produce high-quality parts with consistent quality, detailed designs, and smooth finishes. Our efficient production cycles make us the ideal choice for a wide range of industries.

Tolerances

JS offers high-precision plastic injection molding with tolerances ranging from ±0.01 mm to ±0.05 mm, ensuring your components meet exact specifications and quality standards. Our advanced techniques and stringent quality control guarantee accuracy, even for the most complex designs.

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

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Get an instant quote today and see how we can bring precision and reliability to your project.

Material Selection

JS offers a variety of materials for Plastic Injection Molding, ensuring performance, durability, and cost-effectiveness for your projects. Below are some of the materials we commonly use:

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

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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

JS provides a variety of custom surface finishes to improve the appearance, performance, and durability of your injection molded parts. Our finishes are tailored to meet industry-specific requirements, offering 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.

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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

At JS, we offer a comprehensive range of Plastic Injection Molding services that deliver top-tier quality, precision, and cost-effectiveness. Here’s why we’re your ideal partner for injection molding:

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Unmatched Precision for Your Parts

Unmatched Precision for Your Parts

We utilize cutting-edge injection molding technology and techniques to achieve outstanding precision, ensuring that your parts meet the strictest tolerances. With tolerances as tight as ±0.02mm, we deliver parts with the exact specifications you require for flawless functionality.

Fast Delivery to Keep Your Projects on Track

Fast Delivery to Keep Your Projects on Track

Our optimized production processes enable us to deliver high-quality parts within a rapid timeline. With typical turnaround times of 1-2 weeks and the option for expedited services, we help you stay on schedule without sacrificing quality or performance.

Materials Tailored to Your Needs

Materials Tailored to Your Needs

Our diverse material options cater to the unique demands of your project. We offer a wide range of thermoplastics and thermosets, including ABS, PC, Nylon, POM, and many more, ensuring that your parts meet the performance, durability, and aesthetic standards required for various applications.

Custom Surface Finishing to Enhance Your Parts

Custom Surface Finishing to Enhance Your Parts

From functional to aesthetic needs, we provide a variety of surface finish options. Whether it’s texturing, polishing, painting, or electroplating, our custom surface treatments ensure that your parts not only perform well but look great too.

Economical Solutions Without Compromising Quality

Economical Solutions Without Compromising Quality

Our plastic injection molding services are designed with cost efficiency in mind. We minimize tooling costs and material waste, providing affordable solutions for both prototyping and mass production, ensuring high-quality parts at competitive prices.

Scalability for Every Stage of Your Project

Scalability for Every Stage of Your Project

No matter your production volume, we offer scalable solutions to fit your needs. Whether you require a few prototypes or thousands of parts, we have the capacity and flexibility to handle orders ranging from 1 to 10,000+ units.

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Partner with JS for your Plastic Injection Molding projects and experience the quality, flexibility, and precision that set us apart. Contact us today for a fast quote and to discuss how we can support your needs.

Case Studies

Our plastic injection molded parts have been successfully used in various industries. Here are some examples that demonstrate our capability to deliver high-quality, precise components tailored to specific industry needs:

Automotive Industry High-Precision Parts for Electric Vehicles

Automotive Industry High-Precision Parts for Electric Vehicles

Medical Devices Precision Components for Diagnostic Tools

Medical Devices Precision Components for Diagnostic Tools

Consumer Electronics High-Quality Casings for Smart Devices

Consumer Electronics High-Quality Casings for Smart Devices

Aerospace High-Strength Components for Drones

Aerospace High-Strength Components for Drones

Industrial Equipment Durable Parts for Automated Systems

Industrial Equipment Durable Parts for Automated Systems

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These case studies highlight our ability to deliver high-quality, precision injection molded parts across various industries. If you have specific project requirements, we are here to help you achieve your goals with our tailored solutions. Contact us today to discuss your project needs.

Quality Control

At JS, we are committed to delivering superior Plastic Injection Molding solutions with exceptional quality and reliability. Our stringent quality control process guarantees that each part is crafted to meet the highest industry standards for precision and performance.

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 maintain tight tolerances and high precision, we use state-of-the-art measurement tools such as CMMs, optical comparators, and laser scanners. These instruments ensure every part meets the required dimensions and performs 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.

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Choose JS for your Plastic Injection Molding needs, and experience our commitment to excellence through our strict quality control processes. Contact us today to discuss your project and see how we can support your goals.

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.

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We understand you may have questions about our Plastic Injection Molding services. Below are some common queries, answered in a way that highlights the benefits and unique features of our offerings. If you need further assistance, our team is always ready to help.

The lead time for injection molded parts is influenced by factors such as part complexity, mold design, material type, and order volume. While typical lead times are around 1 week, expedited services can reduce delivery times to as little as 1-3 days depending on your specific needs.

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If you have any other questions or need further information, please feel free to reach out. Our team is ready to assist with all your Plastic Injection Molding needs.

Customer Testimonials

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

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JS exceeded our expectations with their exceptional Plastic 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.

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John Smith
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Nexus Automotive Solutions
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The precision and speed of JS's Plastic 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.

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Jane Williams
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MedPro Devices
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The quality of injection molded parts from JS 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.

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Michael Lee
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Innovo Tech Solutions
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Collaborating with JS 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.

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Emily Chen
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Fusion Electronics Ltd.
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The precision and consistency of the injection molded parts from JS 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.

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David Wong
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Precision Machineries Co.
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These testimonials reflect our commitment to excellence and customer satisfaction. Join our list of satisfied customers by choosing JS for your Plastic Injection Molding needs. Contact us today to discuss your project and get an instant quote.

Latest News

Stay informed with the latest updates and announcements from JS. Learn about our most recent projects.

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