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Custom Plastic Injection Molding & Tooling Services

Marcus delivers custom plastic injection molding and tooling services backed by in-house tool room expertise, certified quality systems, and scalable production support. From DFM review and prototype validation to production-ready molded parts and overmolding, we help OEMs shorten lead times, improve consistency, and simplify sourcing through a single manufacturing partner.

Custom plastic injection molding and tooling facility

Our Plastic Injection Molding & Tooling Services

End-to-end molding and tooling support for prototypes, production parts, and integrated assemblies.

Injection Molding

Marcus provides plastic injection moulding through its certified partner network, supporting complex, high-volume plastic components with machine capacities up to 3200T under controlled quality systems.

Tool Room

The in-house Tool Room manages mold design, fabrication, trials, maintenance, repair, and engineering changes, giving customers tighter control over tooling performance and production readiness.

New Product Development

Structured NPD support includes DFM collaboration, simulation, material guidance, rapid prototyping, trial runs, and validation activities to move plastic parts from concept to production efficiently.

Plastic Overmolding

Plastic over moulding is integrated into Marcus's assembly capabilities, enabling hybrid components and sub-assemblies that combine molded plastics with mechanical or electro-mechanical parts.

Mechanical Assembly

Mechanical assembly services support molded and hybrid products with ultrasonic welding, crimping, sub-assembly work, inline inspection, and functional testing under certified processes.

Electro-Mechanical Assembly

Electro-mechanical assembly combines molded housings and plastic components with connectors, switches, sensors, and testing for fully functional modules across demanding industries.

Single-Source Manufacturing

Built for Precision, Scale, and Speed

Marcus supports custom plastic injection molding and tooling programs with a partner-backed molding network and an in-house tool room that controls design, trials, maintenance, and engineering changes. With DFM review, simulation, prototyping, and certified quality systems, customers can reduce sourcing complexity, accelerate launches, and move from early development to stable production with greater confidence.

Engineers reviewing plastic mold tooling and molded parts
Trusted Manufacturing Partner

Success Stories

See how Marcus supports complex programs with reliable tooling, molding, and production execution.

"For high-volume decorative hardware, Marcus is the best. Their multi-cavity dies last forever, and the unit cost is unbeatable."

Jessica Wu

"Good Company"

Ganesh kumar
Ganesh kumar

"Very good place Making hot champer /cold champer tooling"

Kiruthika .A
Kiruthika .A

"For high-volume decorative hardware, Marcus is the best. Their multi-cavity dies last forever, and the unit cost is unbeatable."

Jessica Wu

"Good Company"

Ganesh kumar
Ganesh kumar

"Very good place Making hot champer /cold champer tooling"

Kiruthika .A
Kiruthika .A

"For high-volume decorative hardware, Marcus is the best. Their multi-cavity dies last forever, and the unit cost is unbeatable."

Jessica Wu

"Good Company"

Ganesh kumar
Ganesh kumar

"Very good place Making hot champer /cold champer tooling"

Kiruthika .A
Kiruthika .A
The Marcus Difference

Why Choose Marcus?

Customers rely on Marcus for dependable manufacturing support across tooling, molding, and assembly.

Experience

Backed by 45+ years of manufacturing expertise across complex industrial and OEM programs.

Certified Quality

Processes operate under IATF 16949:2016 and ISO 9001 quality systems for consistent output.

Tooling Control

In-house tool room support improves mold readiness, maintenance response, and engineering change execution.

End-to-End

Molding, tooling, prototyping, and assembly are coordinated through one reliable manufacturing partner.

Meet The Marcus Team

Experienced specialists supporting every stage of production.

Founded in 1981, Marcus Hi-Tech Engineering has built its reputation on dependable manufacturing support for global customers across demanding industries. From its base in Coimbatore, Marcus has grown from a traditional manufacturing company into a long-term production partner offering tooling, molding, machining, assembly, and quality-driven program support. The company’s approach centers on reducing lead times, simplifying supply chains, and helping customers launch with confidence through structured engineering and certified processes. With an in-house Tool Room, strong DFM and simulation capability, and a broader manufacturing network across India, Vietnam, and China, Marcus is positioned to support both development-stage and production-scale requirements with flexibility, consistency, and long-term partnership in mind.

45+ YearsDecades of proven manufacturing experience since 1981.
Global CoverageServing customers across India, Vietnam, the UK, US, and more.
2 CertificationsIATF 16949:2016 and ISO 9001 certified processes.

Frequently Asked Questions

What is custom plastic injection molding?

Custom plastic injection molding is a manufacturing process used to produce plastic parts to your exact design, material, and performance requirements. It typically includes part design review, mold development, trial runs, and scaled production. Marcus supports this through certified molding partners and in-house tooling oversight, helping customers achieve repeatable quality, efficient cycle times, and production-ready components for OEM and industrial applications.

Do you provide tooling along with injection molding?

Can you help with prototype and pre-production parts?

What types of plastic molding projects do you handle?

What quality standards do you follow for molding and tooling?

Can you support overmolding and assembled plastic components?

How do you manage tooling changes or mold maintenance?

Do you serve customers outside India?

Still Have Questions About Your Project?

Speak with our team about tooling, molding, and production support.

Certified & Trusted

Awards and Recognition

IATF 16949:2016 certification badge

IATF 16949:2016

Automotive-grade quality management certification.

ISO 9001 certification badge

ISO 9001

Certified quality management system standard.

45 plus years manufacturing experience emblem

45+ Years Experience

Long-standing manufacturing reliability and expertise.

Start Your Molding or Tooling Project

Share your part requirements, tooling needs, or production goals, and our team will review the best next steps.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +91 84890 77700.