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Die Casting Solution Service

with Experienced production team and World-class mold and molding production equipment to ensure your project success. Dedicated person tracks project progress. Mold and molding parts 100% Meets size and assembly requirements

  • No MOQ
  • Tight Tolerance of 0.01mm
  • 24/7 Engineering Support
  • 25 years of mold manufacturing experience
bmw car

Custom injection mold and molding service

Our Custom Injection Molding Services


Injection Machine




Mold Tolerance

2 weeks

T1 sample

ACE Customs Plastic Injection Mold and Molding Services

Ace is One of the top high precision mold and molding factory base here in China. We are able to develop new product from Customer idea to actual part. We are able to make buit various types of injection mold and molding, such as, industial engineering material mold,double injection mold,mutil cavities mold, double injection mold, insert and overmolding,gas-assisted injection mold, Mucell mold, IML AND IMD mold,

Injection Mold Tooling

Injection Mold Tooling

Dependable tooling for custom injection molding ensures the production of precise, superior-quality custom injection molds for high-quality plastic parts. Benefit from our dedication to excellence, swift manufacturing processes, and cost-effective pricing solutions.

Plastic Injection Molding

Plastic Injection Molding

Plastic injection molding involves injecting heated thermoplastic into molds, where it solidifies into precise parts. This method facilitates efficient, large-scale manufacturing while maintaining consistent quality across products.



Overmolding fuses various plastic materials by molding them over each other, improving functionality, visual appeal, and grip. This technique also helps in cutting down assembly time and associated costs.

Insert Molding

Insert Molding

Insert molding involves encapsulating a pre-placed insert with plastic, effectively combining metal and plastic components. This process boosts strength, streamlines assembly, and guarantees precise integration of parts.

Custom Injection Molded Products by Ace-mold

Explore the plastic prototypes and custom production parts we’ve crafted for our clients, available for on-demand orders.

What to Get From Online Injection Molding Services

Gaining insights into the injection molding process equips designers and engineers with the knowledge to develop parts optimized for production, leading to cost savings and enhanced quality. Our ebook provides useful guidelines and advice for achieving superior and long-lasting injection molded components.

High Efficiency and Productivity

Precision and Consistency

Versatility in Materials and Colors

Cost-Effectiveness for Large Volumes

Automated Process

Online Injection Molding Services
Precision and Consistency
Versatility in Materials and Colors for mold
Cost-Effectiveness for Large Volumes for mold
Automated Process for mold

Custom Injection Molding Solutions

Discover our injection molding services available on-demand, designed to effortlessly guide you from the prototyping phase to high-quality production

Rapid Prototyping

Take advantage of our swift injection molding services, capable of producing 1,000 to 100,000 units efficiently and cost-effectively. Utilizing aluminum or steel molds, we guarantee quick turnaround times, effectively tackling your production needs and minimizing your product's time-to-market.

Low Volume Production

Low Volume Production

Our low volume injection molding service enhances your production capabilities, offering the manufacture of 100,000 to 1 million units using durable steel molds. This approach guarantees both high quality and uniformity, perfectly meeting your requirements for substantial yet accurate production batches, all while upholding superior quality standards.

Our Injection Molding for Various Industrial Applications

ACE provides a selection of standard metals for injection molding tooling, along with an array of widely-used plastic materials

  • Injection Mold Tooling Materials
  • Thermoplastic
  • Thermoset
Injection Mold Tooling Materials

Injection Mold Tooling Materials

A variety of thermoset materials are available for diverse applications, each selected for their distinct bonding properties to suit specific needs.

  • Tool Steel: P20, H13, S7, NAK80, S136, S136H, 718, 718H, 738
  • Stainless Steel: 420, NAK80, S136, 316L, 316, 301, 303, 304
  • Aluminum: 6061, 5052, 7075


Plastic injection molding service comes with a wide range of materials with different properties, including impact strength, rigidity, thermal resistance, chemical resistance, etc.

  • PU Teflon (PTFE) Nylon
  • PET


We offer a range of thermoset materials, each suited for different applications thanks to their specialized bonding characteristics.

  • Liquid Silicone Rubber Epoxy
  • Polyurethane Phenolic

Note: You can learn more from our eBook on plastic materials

Ace Mould Success Case

Our primary focus is on providing SPI finishes for plastic injection molds. If you require VDI textures, please specify your needs when requesting a quote through our online platform.

Mold Type Success Project description Frist Sample Lead Time Part Tolerance
Double injection We are able to build both vertical double injection, parallel injection ,core rotation double injection mold 4 weeks ±  0.01mm
Industial plastic mold With High glass fiber plastic material part, High temperature mold, with Low fluidity plastic material mold 4 weeks ±  0.01mm
Over mold Two times injection processing. Can be soft material with hard material or with hard material over mold injection 3 weeks ±  0.01mm
Insert mold Terminal insert molding, metal insert molding, and one top two core bottom insert mold, core rotation insert mold 3 weeks ±  0.01mm
forming mold Chemical forming mold and thermoforming mold, to reduce the part weight and improve part surface, reduce injection cycle time 3 weeks ±  0.01mm
Nitrogen mold Improve the part surface and reduce part weight 3 weeks ±  0.01mm
IML Mold IMD mold To protect the high transfer surface can achieve the printing together during injection, save part printing processing 3 weeks ±  0.01mm
High cavitation mold Efficient part production, with High production capacity part, successful in over 128 cavities mold 4 weeks ±  0.01mm
Die casting and Alloy mold Zinc alloy mold, Aluminum alloy molds, Magnesium alloy mold
Investment casting
3 weeks ±  0.01mm
injection-molding book

Injection Molding Whitepaper

Gaining knowledge about the injection molding process is crucial for designers and engineers to design parts that are manufacturing-friendly, leading to cost reduction and quality enhancement. Our ebook is a valuable resource, offering practical advice and guidelines for creating exceptional and long-lasting injection molded components.

Injection Molding Capabilities

At Ace Our engineering department will have details study with customer product, and give our best suggestion for the part optimize, meanwhile our engineering department will according to customer request to choose the best and lower cost for the solution, make sure all part in good quality but also spend the lowest money for the project

Mold Class Level Mold types Mold Life Part Tolerance dimension meet drawing First sample Lead time
Class 105 Prototype Testing Under 500 cycles ±  0.01mm 100% 25 days
Class 104 Low-volume Production Under 100.000 cycles ±  0.01mm 100% 25 days
Class 103 Low-volume Production Under 500.000 cycles ±  0.01mm 100% 25 days
Class 102 Medium-volume Production Medium to high production ±  0.01mm 100% 25days
Class 101 High-volume Production Over 1,000,000 cycles ±  0.01mm 100% 30 days

Injection Mold Surface Finishes 2

We primarily offers SPI finishes for plastic injection molds. For VDI textures, specify your requirements when submitting your quote on our platform.


Mold Class

Production Level





Lead Time

Class 105

Very low

Less than 500 cycles Prototype testing

±  0.02mm

Inexpensive to produce a very limited number of product prototypes

7-10 days

Class 104


Less than 100K cycles Good for limited-production parts with non-abrasive materials

±  0.02mm

Fall within low to moderate price ranges 

10-15 days

Class 103



Less than 500K cycles For low to medium-production parts ±  0.02mm

Fall within common price ranges 

10-15 days

Class 102

Medium to high Less than 1M Good for parts with abrasive materials and/or tight tolerances ±  0.02mm

Fairly high price and made with materials of high quality

10-15 days

Class 101

Extremely high Over 1M cycles Extremely high production and fast cycle times ±  0.02mm

Highest price and made with only the highest quality materials 

10-18 days

How Custom Injection Molding Works?

In the injection molding process, raw plastic materials are loaded into an injection molding machine, where they are melted. These melted plastics are then injected into a mold made of aluminum or steel. As the material cools, it solidifies into a production-grade thermoplastic part, which is then ejected for subsequent use or assembly.

Custom Injection Molding video

Injection Molding Process At Ace-mold

Discover how Ace-mold manages your orders, starting from providing quotes, crafting high-quality injection molds, to producing production-grade plastic parts. Our experienced team and advanced machinery ensure each step is completed efficiently for on-time delivery


Request for Quote

After receive the RFQ, our engineering department will have meeting to study the best solution for the quote, we will provide the quotation according to your request, if we can quote, that means we can make the part perfectly, quotation time within 24 hours


DFM Report

We can provide the preliminary during the quotation stage if customer request, after order kick off we will make the details DFM for our customer confirmation.


Mold Flow Analysis

We have our own internal Moldflow team to analysis the part details, we can provide the customer suggestion for part after study the mold flow analysis report.


Mold Tooling Production

We will strictly check the components dimension make sure all dimension is correct and we will go ahead with the next production, to make sure all components is in tolerance before mold test


T1 Sample Verification

We will provide the request quantity sample for customer verification, meanwhile we will provide the full dimension report and processing parameter for your reference.


Low Volume Production

We have from 30t to 1200-ton injection machine in house, we can follow the confirmed sample to manufacture the batch of sample for customer.


QC Inspection

We can provide the part CMM and 3D scan service inspection. To strictly follow customer provided tolerance drawing to check the actual part.


Package and delivery

We will provide the different package according to customer transport request, by sea or by air. We will also provide the necessary document to assist our customer make customs clearance.

Our Injection Molding Services Cater to a Range of Industrial Applications

Ace-mold offers tailored injection molding solutions to meet the unique needs of various industries.

Automotive Industry
Aerospace Industry
Medical Device Industry
Robotics Industry

Reasons to Opt for Our Specialized Custom Injection Molding Services.


Our no minimum order policy facilitates the swift transition of plastic molded parts from design to production with quick turnaround times, catering to your on-demand injection molding requirements while also minimizing costs.

High Quality and Consistency

Possessing ISO certified factories and performing in-process inspections and dimensional verifications post-production, we ensure consistent quality in custom molded parts. This holds true even for complex shapes, as we maintain high precision throughout

Fast Turnaround

Our certified domestic factories and robust supply chain system enable us to expedite the product development cycle, allowing for the rapid production of plastic parts in as little as 2 weeks or even less.

Injection Molding Expertise

Work alongside our specialists, who have over 10 years of experience in injection molding, for expert advice on mold design, material selection, and finishing options, ensuring a seamless shift from prototyping to full-scale production.

Plastic injection molding is a service that involves the manufacturing of plastic parts using a molding process. Here’s an overview of what this service typically includes:

  1. Design and Engineering: The process usually begins with the design and engineering phase, where the specific requirements of the plastic part are determined. This includes its size, shape, complexity, and the type of plastic material to be used. CAD software is often used to create a precise design.
  2. Mold Making: Once the design is finalized, a mold is created. The mold is a crucial part of the injection molding process, as it shapes the final plastic product. Molds are typically made from steel or aluminum and are precision-machined to match the design specifications.
  3. Material Selection: The appropriate plastic material is selected based on the part’s application, durability requirements, and other factors like temperature resistance, strength, and flexibility. Common materials used include ABS, polycarbonate, polyethylene, and nylon.
  4. Injection Molding Process: In this step, plastic pellets are fed into an injection molding machine where they are melted. The molten plastic is then injected under pressure into the mold. Once the plastic cools and solidifies, it takes the shape of the mold.
  5. Cooling and Ejection: After injection, the plastic part needs to cool and solidify. Once it’s solid, the part is ejected from the mold. The mold can then be used again for the next cycle.
  6. Post-processing: After ejection, the parts may undergo various post-processing steps like trimming of excess material, polishing, or painting. These steps depend on the specific requirements of the part.
  7. Quality Control: Throughout the process, quality control measures are taken to ensure that the parts meet the required specifications. This includes checks for dimensions, material properties, and overall appearance.
  8. Assembly and Packaging: If required, parts can be assembled with other components. Finally, the parts are packaged and prepared for shipping.

FAQs about ACE-Mold Injection Molding Service

1. What's the process for injection mold making?

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