Your Custom Parts, Manufactured Exactly to Spec.
- ISO 9001 Certified & IATF 16949 Compliant
- From 1 to 1,000,000+ Parts
- 100+ Precision Metal & Plastic Materials
- In-House Tooling & DFM Experts
Our Parts Manufacturing Services & Solutions
First Mold is your direct source factory with a smart online quoting system. No middlemen. No outsourcing delays. We handle your entire project in-house, scaling smoothly from initial prototyping to high-volume manufacturing.
Steel/Aluminum injection molds, die casting molds, and stamping tools. Accelerate your production with 30% faster tooling delivery and certified mold lifecycle management.
From custom plastic parts prototyping to high-volume production, we deliver precision injection molding with 500+ engineering-grade thermoplastics and ±0.01mm tolerance.
Precision CNC machining of metal alloys & engineering plastics. Optimized for complex part geometries, tight-tolerance (±0.005mm) components, and low-to-high volume production.
Scalable Solutions for Every Product Stage
Get 1 to 50 prototype parts in 7 days using processes like CNC, rapid injection molding, and 3D printing.
Get 50 to 10,000 small-batch parts in 15 days using rapid tooling and low-volume injection molding.
Get 10,000 to over 1 million plastic parts in high volumes using production tooling and large-scale injection molding.
Proven Success in Custom Manufacturing
From low volume manufacturing to mass production, First Mold has delivered 10000+ mission-critical parts for global industries. Combining 100+ metal and plastic materials with professional surface finishes, we turn your designs into reality.
Delivered 1,000 sets of optical-grade LED reflectors and lenses in just 15 days. Supported by a 48-hour DFM analysis and rapid tooling, the components perfectly passed rigorous light-transmission and sealing tests.
| Cycle | Tolerances | Materials |
|---|---|---|
| 15 Days | ±0.002″ | ABS, LG CHEM LUPOY RF3208 |
First Mold, through mature two-shot mold manufacturing and injection molding capabilities, keeps the rejection rate of automotive door handle parts to no more than 0.8%.
| Parts Tolerance | Mold Tolerance | Materials |
|---|---|---|
| ±0.1 mm | ±0.05 mm | PP + 10% GF |
Custom Speaker Component Manufacturing
Mass Production of Small Button Parts
VR Manufacturing Via Injection Molding
Engine Valve Cover Manufacturing By Die Casting Process
Silicone Injection Molded Baby Mask
Inspection Equipment Housing Manufacturing By Insert Molding
Manufacturing Automotive Center Console Armrest Housing via Injection Molding
Custom Plastic Molding For VR Remotes Controller Housing Manufacturing
Precision Parts Manufacturing Across Industries
The custom metal and plastic parts we manufacture cover a much wider range of applications than just our core areas. The six industries below are common application fields.
Consumer electronics parts, like structural support parts, functional transmission parts and precision accessories
Aerospace parts, like auxiliary & interior components, small-scale structural & enclosure parts and tooling, fixtures & prototypes
Parts of consumer goods, like home & daily life accessories, personal care & wellness parts
Industrial parts, including functional transmission & connection parts and customized cover & protection parts
100+ Engineering-Grade Manufacturing Materials
Our engineering team works with over 100 different manufacturing materials. We mainly use plastics for injection molding, and metals for mold making and CNC prototypes. We will help you choose the exactly right material for your project.
Inside First Mold | A True Direct-Source Factory
First Mold is a custom parts manufacturing factory with three major production bases (two in China and one in Mexico). After more than a decade of development, First Mold has gradually grown into a supplier in the field of globally renowned on-demand manufacturing services.
Based on mold manufacturing and injection molding production, First Mold’s process system is gradually becoming diversified, precision-oriented, and mature. We take responsibility for every component of our customers.
- 24/7 Uninterrupted Production Capacity
- 30,000㎡+ Factory Floor Area
- 77% Repeat Customer Business
- Global Shipping & Logistics Network
Dual Manufacturing Hubs - Global Scale, Local Advantages
With two advanced facilities in Zhongshan, our Chinese bases offer our most comprehensive range of manufacturing services. From rapid prototyping and CNC machining to complex production tooling and mass injection molding, we deliver full-scale, end-to-end production capabilities for global markets.
Engineered specifically for the North American market, our Guanajuato factory provides highly efficient nearshore manufacturing. Currently specializing in rapid tooling and precision injection molding, this base guarantees tariff-mitigated logistics and much faster ground delivery for our local clients.
Why Choose First Mold?
You are an engineer or a member of a procurement team. In the process of searching for parts manufacturing suppliers and cooperating with them, you will encounter various problems that arise during cooperation. By choosing to cooperate with First Mold, you will avoid many unnecessary troubles.
01. Integrated Supply Chain | Efficient Communication | Reliable Delivery
Customer's Dilemma
“To get my product made, I need a mold, injection molding, and CNC work. So I have to find one supplier for the mold, another for molding, and a third for CNC. If there’s a problem, they all point fingers at each other. I’m stuck being the ‘project coordinator,’ always calling and emailing to check the status. It’s exhausting, and delayed projects are just part of the routine.”
How We Solve It
Everything Under One Roof. We make the mold, run the injection molding, and finish the CNC parts all in our own factory. You will get one dedicated project manager who handles everything for you. If there is a problem, we fix it—no excuses, no blaming others.
What You Get
Your parts arrive on time, and you don’t have to waste time managing multiple suppliers.
02. Better Quality from the Start | Fewer Headaches in the End
Customer's Pain Point
“I keep getting parts with defects—warping, sink marks, or dimensions that are just off. It’s frustrating because I can’t tell if the mold, the molding process, or the post-processing is to blame. The high scrap rate is eating into my budget, and I’m worried about the reliability of my final product.”
How We Solve It
Our Teams Work Together. Our mold makers and molding engineers work in the same building. They review your design together before starting. Because we control the whole process, we make sure the mold perfectly fits the molding machine to drop the defect rate from the very beginning.
What You Get
Good parts right out of the box, with much less scrap and rework.
03. Optimize for Total Cost, Not Just Unit Price
Challenges You May Face
“I compared several mold quotes and chose the cheapest, but subsequent molding was plagued with low efficiency and high scrap rates. The total cost was ultimately higher. I know cost isn’t just about one quote, but I have no way to control the overall expense”
How We Solve It
Honest “Mold + Parts” Pricing. We give you one clear quote with no hidden fees. Sometimes, we might suggest spending a little more on a better mold cooling system. Why? Because it speeds up the injection time, which drops your price per part and saves you much more money in the long run.
What You Get
A lower final cost for your whole project, not just a cheap mold that wastes your money later.
4 Simple Steps to Your Custom CNC Parts
Curious about your exact mold price, injection molding price, prototype price, or CNC price? Getting your custom parts manufactured with us takes just four simple steps:
3D Design Upload
Submit your 3D CAD models and confirm your technical specifications with our engineering team.
DFM Analysis & Quotation
Receive a detailed Design for Manufacturability (DFM) review and an accurate cost estimate within hours.
Component Manufacturing
We bring your design to life using our in-house CNC machining, injection molding, or 3D printing.y.
Quality Inspection & Delivery
Every part undergoes strict dimensional checks before being safely shipped to your global location.
Our Global Network of Partners
Latest News & Article
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Micro Injection Molding Design and Manufacturing: From Tooling to Production Validation
Master micro injection molding from tooling to production. This technical guide covers DFM rules, pressure drop formulas, applications, and materials like PEEK.
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