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Molding Services

Custom Injection Molding division of Kuasu Moldtec, is a turnkey and full-service plastic injection molding shop that handles your manufacturing needs from design to fabricating molds. We offer you all of these services under one roof, we can begin immediate production of parts with your existing molds or we can help turn your concept into a finished product.

What is plastic injection molding?

Injection molding is a manufacturing process that involves filling a metal mold cavity with liquid plastic resin, which is then cooled to form plastic parts.

Due to minimal material waste and low per-unit cost, this process is most commonly used for mass production of plastic parts. It is an ideal manufacturing process for industries such as medical devices, consumer goods, and automotive.

The Advantages of Plastic Injection Molding

Plastic injection molding offers a variety of advantages that make it the preferred method for producing high-precision parts in large volumes. These benefits include:

High Precision and Detail: Injection molding is known for its ability to produce parts with tight tolerances and intricate features. This precision makes it ideal for industries such as automotive and medical devices, where accuracy is critical.

Cost-Effective for Mass Production: Once the mold is created, injection molding allows for the efficient production of large quantities of identical parts, significantly lowering the cost per unit in high-volume manufacturing.

Material Flexibility: The process supports a wide range of materials, from standard plastics to specialized engineering polymers, offering versatility for various industries.

Reduced Waste: The injection molding process is highly efficient, with minimal material waste, making it an eco-friendly option compared to other manufacturing methods.

Quick Turnaround: With automated systems and advanced machinery, the production time for injection molded components is generally faster, meeting tight deadlines and increasing overall productivity.

Meeting Your Needs and Addressing Your Requirements

As a manufacturer, we understand the challenges and concerns that our customers face when selecting a plastic injection molding partner. Some common issues include:

  • Cost Control: Many buyers worry about keeping production costs low without compromising quality. Our efficient molding techniques, combined with material optimization, help reduce overall production costs while maintaining top-tier quality.

  • Quality Assurance: We ensure that every part that leaves our facility meets the highest standards of quality. Our strict quality control protocols ensure that all products are tested and inspected before shipping, minimizing defects and rework.

  • Lead Time and Delivery: In today’s competitive market, timely delivery is essential. At Kuasu Moldtec, we understand the urgency of meeting deadlines and offer fast turnaround times without sacrificing quality.

  • Technical Support: From initial design to final production, we provide comprehensive support and expert guidance throughout the entire process to ensure your project’s success.


No Minimum Quantity

No Minimum Quantity

We understood that in Prototype stage sometimes it needs even only one part, or whatever your few hundred parts for the small quantity order, we are happy for all of these job.

No limited at your tooling source

No limited at your tooling source

We can work on your existing molds which you built by others, what you have to do is, just have the mold transferred to us and we will take care of all the rest.

No-worry tool builds at Kuasu

No-worry tool builds at Kuasu

We can have your mold built at Kuasu for your mass production. You are guaranteed to receive quality molded parts from beginning to end.

Our Molding Machine Capacities

Kuasu currently operates 12 modern injection molding machines which all are equipped with servo-robotics and the ranging from 80 tons to 1050 tons clamp force. Each year, we add new equipment and skilled individuals. As a result, we are able to stay flexible with the demands of the industry.

Kuasu Moldtec's Injection Molding Service Capabilities

As a leader in Plastic Injection Molding Services, Kuasu Moldtec offers full-service capabilities for your project needs. We specialize in the following areas:

  1. Custom Mold Design and Development: From initial concept to final product, our team can help design and manufacture molds tailored to your specific requirements. Our founder, Mr. Jacky LO’s philosophy of blending advanced technology with skilled craftsmanship allows us to create molds with high precision and durability.

  2. High-Volume Production: With our semi-automated and automated injection molding lines, we are equipped to handle high-volume production runs, ensuring consistency and efficiency throughout the entire manufacturing process.

  3. Prototyping: Whether you need prototypes for testing or validation, our advanced prototyping services can quickly produce functional models that meet your design specifications.

  4. Post-Production Services: Beyond molding, we offer additional services such as painting, assembly, quality control, and packaging to ensure that your components are ready for immediate use.

  5. Global Export: Over 80% of the molds we create are exported worldwide, and we have extensive experience in serving international customers, ensuring smooth logistics and timely delivery.


Molding Machines:

  • 80 Tons
  • 120 Tons
  • 160 Tons
  • 200 Tons
  • 250 Tons
  • 300 Tons
  • 350 Tons
  • 450 Tons
  • 650 Tons
  • 1000 Tons

Auxiliary Equipment:

  • Gravity material blenders &Dosing feeders
  • High Temperature Control & Water chiller
  • Drying hopper & Dry air dryers
  • Five axis servo robots & Grippers
  • Sequence controller & Gas-assistance

Laboratory Capability:

  • First Article Inspection Report (FAI)
  • Projector, CMM & Laser Scan
  • PPK & CPK
  • RoHS & WEEE
  • Tensile, Drop, Salt spray testing

We Are Your Trust Partner

From mold design To building and Part Production.

Kuasu firmly believes in quality rather than quantity. Our goal is to make a product with the highest quality and attention to detail that surpasses the expectations of the customers. We believe that this is the best way to ensure mutual success. Through the excellent mold manufacturing, we bring customers the highest quality products, which also allows your products to be more cost-effective and market competitive.

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Our Molding Machine Capacities

There are no shortcuts, only extreme focus on efficiency in every step of the process. The resulting injection molds meet the requirements of both prototype and production into the hundreds of thousands of parts.


Kuasu has more than 120 stuff who are working on mold building. Every number of them has the right skill and passion for mold making. We are able to produce molds in house from design, mold flow analysis, programming, CNC milling, EDM, assembling, spotting, until sampling. This is one-stop capability. Kuasu has developed a proprietary process to produce injection molds extremely quick by using high quality tool alloys and state of the art CNC equipment.


As with traditional high-volume injection molding, we produce molds with an appropriate number of cavities and demolding automation to achieve higher throughput and lower piece-part costs.  Standard surface finishes, as well as customized textures, are available.  Likewise, fine details, molded-in lettering, and other common mold features are available.

Common resins, Stock and Source Capabilities
Special Material & Colors

In order to meet the customer fastest delivery demand, most of time we stock a wide range of common resins. Some of the more common resins are listed below.

  • ABS
  • PEI
  • PC
  • POM
  • PC + ABS
  • PMMA
  • PP
  • PPA
  • PE
  • PET
  • PS
  • PEEK
  • HDPE
  • TPE
  • LDPE
  • TPU
  • PC + Blends
  • PP – Glass Filled
  • PP + Blends
  • PA – Glass Filled and non-Glass Filled

If there is a special materials– We are able to source any commercially available material per our customers’ requirements in the appropriate volume

Customer Supplied Materials – Customers with proprietary materials or those who wish to supply the material from their source may arrange for us to produce parts from their materials.

Custom Colors – We are able to source pre-colored materials or match custom colors per customer requirements.  Special colors may add time and cost depending on availability.

Filled Polymers – We routinely process fiber filled and metal filled polymers.

All we need are your material requirements and, with our team of expert suppliers, we can supply the appropriate material for your application.

common resins, stock and source capabilities

common resins, stock and source capabilities

common resins, stock and source capabilities

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