Top 10 2 Shot Mold Manufacturers In The World

Two-shot molding, also known as dual-shot or double-injection molding, is a sophisticated manufacturing process used to produce complex molded parts from two different materials. This technology is essential for creating soft-touch handles, multi-color automotive components, and medical devices requiring airtight seals. Finding a manufacturer with the specific machinery and engineering expertise to handle this process is critical for product success.

The following guide outlines the top manufacturers globally, offering a detailed look at their capabilities and specializations.

Quick Comparison Table

What to Consider When Looking for Manufacturers?

Selecting a vendor for 2-shot molding requires evaluating technical capabilities beyond standard injection molding.

• Machinery Capabilities: Ensure the manufacturer possesses specialized 2-shot injection molding machines (often utilizing rotary platens or core toggles) rather than simply overmolding using two separate machines, which is slower and less precise.
• Material Compatibility Expertise: The chemical bond between the two materials is vital. The manufacturer must have deep knowledge of material science to ensure adhesion between substrates (e.g., TPU onto ABS).
• Tolerance Requirements: Two-shot molding often requires tighter tolerances to prevent flash or delamination. Check if the manufacturer can meet the specific precision requirements of your industry, particularly for medical or electronic parts.

How to Verify a Reliable Supplier?

Before committing to a production run, validate the supplier’s reliability through these steps:

1. Certifications: Look for industry-specific ISO certifications. For automotive, TS 16949 is standard; for medical, look for ISO 13485.
2. DFM Support: A reliable partner should provide Design for Manufacturability (DFM) analysis early in the process to optimize the part for the 2-shot process.
3. Quality Assurance Reports: Ask for examples of their quality documentation, such as CPK reports or COA (Certificate of Analysis) for materials.
4. In-House Tooling: Manufacturers with in-house mold making capabilities can often resolve design issues faster and maintain tighter control over the complex tooling required for multi-shot molding.

Leading 2 Shot Mold Manufacturers Reviewed

1. Proto Labs

Proto Labs is a technology-enabled manufacturing company known for its speed. They provide rapid manufacturing of 3D printed, CNC-machined, sheet metal, and injection-molded custom parts. They are a go-to source for prototyping and low-volume production, utilizing automated systems to accelerate lead times.

• Country: USA
• Website: https://www.protolabs.com
• Main product: Rapid prototyping and on-demand production of custom parts

2. Rogan Corporation

Rogan Corporation is a recognized manufacturer of standard and custom control and clamping knobs. They specialize in advanced molding techniques, including two-shot injection molding, insert molding, and liquid silicone rubber molding. Their solutions cater to a variety of industries, including medical, aerospace, and industrial markets.

• Country: USA
• Website: https://www.rogancorp.com
• Main product: Control knobs, clamping knobs, and custom multi-shot and insert molding solutions

3. GBM

GBM Mold Technology Co., Ltd. is a National High-Tech Enterprise established in 2012, specializing in precision manufacturing. They position themselves as a global leader in one-stop services for precision injection mold design and manufacturing. Their facilities are equipped with top-tier CNC machining centers and EDM machines. GBM holds ISO 9001, ISO 14001, and TS 16949 certifications. Their core competencies include 2-Shot Molding (with rotary platen positioning accuracy of ±0.01mm), insert molding, and precision connector molds. They offer rapid response times, providing DFM reports within 24 hours and T1 samples in as fast as 15 days.

• Country: China
• Website: https://gbminjection.com/
• Main product: injection mold,injection molding,2 Shot Mold,Insert Molding,Unscrewing Mold,Connector Mold,Stack Mold,Hot Runner Mold

4. Evco Plastics

Evco Plastics is a global plastics manufacturing company with a strong focus on custom injection molding. Their capabilities extend to multi-shot molding, allowing them to serve a wide range of industries including automotive, medical, and consumer products. They emphasize innovation and global supply chain integration.

• Country: USA
• Website: https://www.evcoplastics.com
• Main product: Custom plastic injection molding

5. Gemini Group

Gemini Group is a supplier of engineered plastic products and metal tooling solutions. They provide services to OEMs as well as Tier 1 and Tier 2 suppliers, primarily within the automotive industry. Their capabilities include two-shot injection molding, which supports the production of complex, multi-material automotive components.

• Country: USA
• Website: https://geminigroup.net
• Main product: Engineered plastic and metal products

6. Nyloncraft

Nyloncraft is a manufacturer dedicated to injection molded components. They have specific expertise in multi-shot over-molding products, serving the demanding requirements of the automotive and heavy trucking industries where durability and material performance are paramount.

• Country: USA
• Website: http://www.nyloncraft.com
• Main product: Injection molded components

7. Bemis Manufacturing Company

Bemis Manufacturing Company is a family-owned manufacturer known for a wide range of plastic products. While widely recognized for toilet seats, they possess extensive custom injection molding capabilities serving consumer, commercial, medical, and industrial markets.

• Country: USA
• Website: https://www.bemismfg.com
• Main product: Plastic products, including toilet seats and custom injection molding

8. MRPC

MRPC functions as a single-source provider for medical device components and assemblies. They specialize in high-precision techniques including silicone molding, two-material molding, and micro-molding, catering specifically to the stringent requirements of the healthcare sector.

• Country: USA
• Website: https://www.mrpcorp.com
• Main product: Medical device components and assemblies

9. Sovrin Plastics

Sovrin Plastics provides injection moulding and contract manufacturing services based in the United Kingdom. They focus on the supply of precision plastic components and assemblies, serving high-tech sectors such as the medical, electronics, and engineering industries.

• Country: United Kingdom
• Website: https://www.sovrin.com
• Main product: Precision plastic components and assemblies

10. Forum Plastics

Forum Plastics is a global contract manufacturer that specializes in complex and technically challenging projects. Their expertise lies in precision medical mold development, injection molding, insert molding, and over-molding, primarily servicing the medical device industry.

• Country: USA
• Website: https://www.forumcm.com
• Main product: Precision medical mold development and molding

Conclusion

Choosing the right 2-shot mold manufacturer is a strategic decision that impacts product quality, aesthetics, and functionality. Whether you require rapid prototyping from companies like Proto Labs, high-volume automotive components from Gemini Group, or high-precision medical molding from GBM or MRPC, this list provides a verified starting point for your procurement process. Always prioritize manufacturers who offer transparent quality control and comprehensive engineering support.