
Instant Quoting
Rapid Prototyping
High-Volume Production
Instant Quoting for Your Plastic Injection Mold Needs
JS offers quick and accurate quotes for your plastic injection mold projects. With a wide selection of mold materials, surface treatments, and high-precision mold-making capabilities, our instant quoting system ensures a tailored and competitive quote to meet your tooling needs.
Multiple Mold Materials: Choose from high-quality mold steels like P20, H13, and 718, or aluminum, to meet specific durability and molding requirements.
20+ Mold Surface Treatments: From texturing, polishing, to nitriding, we offer a variety of surface treatments with lead times averaging 3-7 days to enhance mold performance and lifespan.
High Precision Up to ±0.005mm: Achieve extremely tight tolerances in mold making to ensure accurate and repeatable part production.
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
ITAR Registered
ISO 9001:2015,ISO 13485:2016,AS9100D and lATF 16949:2016 Certified
Trusted by Engineers and Purchasing Leaders at the World’s Most Successful Companies
Plastic Injection Molds
JS specializes in precision plastic injection molds for efficient, high-volume production. Using advanced CNC machining and mold fabrication techniques, we ensure durability, accuracy, and optimal performance for complex designs. Our molds provide consistent, repeatable manufacturing, delivering parts with excellent strength, surface finish, and functionality, all tailored to your exact specifications.

Service
Product Showcase
Discover our Plastic Injection Molds, offering precise, high-quality components with fast production cycles. Ideal for industries like automotive, consumer products, and electronics.
Tolerances
JS offers plastic injection mold services with tolerances from ±0.01 mm to ±0.05 mm, ensuring high-quality, durable molds for a variety of applications. Our molds meet industry standards for both precision and long-lasting performance.
Feature
Description
Maximum Part Size
Milled parts up to 80” x 48” x 24” (2,032 x 1,219 x 610 mm). Lathe parts up to 62” (1,575 mm) length and 32” (813 mm) diameter.
Standard Lead Time
3 Business days
General Tolerances
Tolerances on metals will be held to +/- 0.005" (+/- 0.127 mm) in accordance with ISO 2768 unless otherwise specified. Plastics and composites will be +/- 0.010”.
Precision Tolerances
JS can manufacture and inspect to tight tolerances, including sub +/- 0.001" tolerances, per your drawing specifications and GD&T callouts.
Minimum Feature Size
0.020” (0.50 mm). This may vary depending on part geometry and chosen material.
Threads and Tapped Holes
JS can accommodate any standard thread size. We can also machine custom threads; these will require a manual quote review.

Need Reliable Injection Molding Solutions?
Material Selection
At JS, we provide a broad selection of high-performance plastics for injection molding. Carefully chosen for their strength, durability, and precision, our materials cater to specific needs like heat resistance, chemical stability, and flexibility—ensuring your products perform under diverse conditions.
Metals
- Titanium
- Steel
- Stainless Steel
- Zinc Alloy
- Chromium-Nickel Alloy
- Brass
- Copper
- Aluminum
- Bronze
- Cold Rolled Steel
- Nickel
- Silver-Tin Oxide
- Cast Iron

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 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

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
Improve the lifespan and performance of your plastic injection molds with our specialized surface finishing services. From polishing and texturing to coatings, we provide solutions that reduce wear, enhance mold precision, and ensure high-quality molded parts.

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 blend advanced technology with a deep understanding of the industry to provide high-quality plastic injection mold solutions tailored to your specific needs. Here’s why we stand out as your preferred partner:


Choose JS for your plastic injection molds and experience the benefits of our expertise, cutting-edge technology, and unwavering commitment to quality. Contact us today to discuss your project and receive an instant quote.
Case Studies
JS excels in producing high-precision plastic injection molds that cater to the needs of various industries. Below are some examples of how our molds have been successfully applied to meet industry-specific requirements:

These case studies highlight our ability to deliver high-quality, precision plastic injection molds across various industries. We are ready to discuss how our molds can meet your specific project needs and help you achieve your goals.
Quality Control
At JS, we focus on delivering high-quality plastic injection molds that meet the highest standards for precision, durability, and reliability. With our robust quality control process, each mold we produce is carefully checked to ensure consistent results and superior 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
We rely on state-of-the-art precision tools such as CMMs, optical comparators, and hardness testers to ensure that our molds adhere to strict dimensional and material specifications. These tools maintain tight tolerances and ensure optimal performance during mass production.
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.


Choose JS for your plastic injection mold needs and benefit from our unwavering commitment to quality. Contact us today to discuss your project and discover how our precision molds can enhance your production capabilities.
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.
We know that making informed decisions about injection molding services can be complex. Here are some of the most common inquiries from our clients to help you get a clearer picture of our process and capabilities. If you have more questions or need tailored assistance, feel free to reach out to our team anytime.

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 clients trust JS for precision and reliability when it comes to plastic injection molds. Here’s what some of them have to say about their experience working with us:

These testimonials reflect our commitment to providing top-quality plastic injection molds. Join our growing list of satisfied clients by choosing JS for your mold manufacturing needs. Contact us today to discuss your project and receive an instant quote
Latest News
Stay informed with the latest updates and announcements from JS. Learn about our most recent projects.