Custom Cable Assemblies & Solutions

Custom cable assemblies organise and protect electrical and signal connections, enabling reliable integration in complex systems.
Romtronic provides custom cable assembly solutions that combine conductor selection, shielding strategy, connector integration, and protective elements to meet application-specific requirements in automotive, industrial, and electronic equipment.

Our cable assembly programs support both early development builds and scalable production, helping customers implement reliable interconnect systems engineered for real-world environments.

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Providing customised requirements

Romtronic's precision overmolding process providing robust strain relief and IP-rated environmental sealing for cable assemblies.

Every cable assembly is defined by its electrical, mechanical, and environmental constraints. Romtronic offers fully customised cable assembly solutions built to customer drawings, technical specifications, and system requirements.

Customisation options include:

  • Cable types, conductor materials, and insulation systems

  • Connector families and termination methods

  • Shielding and grounding strategies

  • Protective sleeving, braiding, and conduit integration

  • Labelling, marking, and harness configuration controls

To begin a project, customers typically provide technical drawings, electrical parameters, interface details, and expected production volumes for engineering evaluation.

Our cable assembly manufacturing process

Step-by-step diagram of Romtronic's cable assembly process, including DFM, automated stripping, and 300% testing.

Design and Engineering

Engineers customize designs to solve common electrical problems, optimizing functionality and lifespan through tailored component designs.

Prototyping

Prototyping can test before mass production, minimize mid-phase design changes and material waste, and ensure design validation.

Production and Assembly

Customized production and assembly processes accommodate a wide range of cable types and sizes, featuring precise wire cutting, termination, and assembly for tailored cable components.

Testing and Quality Assurance

Comprehensive electrical testing ensures reliable functionality and proper layout alignment, adhering to stringent quality standards to ensure reliable performance in the intended equipment.

Our Advantages

Romtronic's engineering team performing 3D CAD modeling and DFM analysis for complex cable assemblies.
  • Strong Strength: 29 years of OEM/ODM production experience; customers include Siemens, Amphenol, Bosch, and other world-top brands.
  • Complete certifications: UL, MFi, IPMS, ISO9001, ISO13485 (medical), IATF16949 (automotive) certification, etc.
  • Experienced team: Our skilled engineers can quickly process orders from concept to drawing to wiring to final mechanical assembly.
  • Competitive price: Customized cable assemblies with top quality are priced competitively.
  • Quality assurance: Attention to detail, 300% quality inspection, zero defect products.
  • After-sales service provided: European localized after-sales service and technical support.
  • Fast delivery: 100% on-time delivery, late penalty agreement.
  • Best service: 7/24 hours of online customer service to help you solve any problems or concerns with your order.
  • MOQ: starting quantity 10 pieces or total value over $100.

Cable Assembly Products

Discover our wide range of customized cable assembly products.

Shielded DP-DB15 cable with Al-Mylar foil, tinned copper braid, and overmolded strain relief.
Low-attenuation DP-DB15 interconnects for zero-latency industrial video
High-flex USB 3.0 AM-CM cable with Al-Mylar foil, tinned copper braid, and strain-relief overmolding.
SuperSpeed Connectivity: USB 3.0 AM to Type-C interconnects for zero-latency industrial data transfer.
JST to RJ45 adapter cable with high-flex shielding and secure connectors.
JST to RJ45 ruggedized high speed network interconnects
Cat6 Ethernet extension cable with secure latching for industrial networks.
Cat6 Ethernet ruggedized high speed network extension
Shielded USB to serial cable with high-density copper braiding, Al-Mylar foil, and rugged overmolded strain relief.
Secure Interface: Precision USB-Serial interconnects for low-latency industrial data integration.
3-in-1 OBD2 adapter with heat-resistant PVC jackets, precision-crimped pins, and heavy-duty overmolding.
Multi-Protocol Testing: Ruggedized OBD2 interconnects for zero-latency motorcycle ECU diagnostics.
Shielded DB9-DB25 RS232 cable with Al-Mylar foil, precision-crimped pins, and rugged overmolded strain relief.
Legacy Integration: Precision DB9 to DB25 interconnects for zero-loss RS232 serial communication.
1-to-2 DC power splitter with high-purity OFC conductors, PVC jacketing, and overmolded Y-junction.
Efficient Power Distribution: High-conductivity DC splitters for stable multi-device voltage delivery.
UL2651 26AWG flat cable with extruded PVC insulation, gray polarity marking, and tinned copper conductors.
Space-Efficient Routing: UL2651 26AWG ribbon cables for high-density IDC and board-to-board integration.
View More Cable Assemblies Type

Application areas

Our tailor-made cable assemblies are widely used across industries, including medical equipment, robotics, communications, military, aerospace, marine, construction, and other heavy industrial applications. We offer custom cable assemblies with features such as high-temperature resistance, high-speed data transmission, and waterproofing to meet the needs of customers across industries. Whether it’s signal transmission or power distribution, our products deliver consistent and reliable performance.

Specialized automotive cables featuring heat-resistant insulation, high-flexibility conductors, and flame-retardant shielding.
High-precision medical cables featuring bio-compatible TPU jackets, EMI shielding, and miniature secure connectors.
Rugged industrial cables featuring oil-resistant jackets, high-flexibility conductors, and robust EMI shielding.
Durable solar PV cable with XLPO insulation, UV resistance, and weather-resistant jacketing for outdoor energy systems.
High-quality lighting wire harness featuring waterproof connectors, heat-resistant insulation, and compact design.
High-durability consumer electronic cables featuring USB-C PD, high-speed data transfer, and flexible TPE/Nylon braiding.

Frequently Asked Questions

Lead times vary based on complexity and order volume, ranging from 2 to 4 weeks. We offer expedited options for urgent requests upon discussion.

We can provide a quote based on your specifications—even if you don’t have formal drawings. You can send us photos, samples, or a basic description. To help us quote accurately, please include:

  • Wire lengths and wire type

  • Connector types or part numbers

  • Quantity

  • Any special requirements (e.g. shielding, labeling, overmolding)

You can submit your request via our website or email our sales team directly.

Yes, we can provide samples or prototypes for your review. We proceed with mass production only after you approve the sample, ensuring everything meets your expectations.

We offer flexible shipping solutions based on your location and urgency. Options include express couriers, air freight, and sea freight. Shipping methods and costs will be included in your quote.

 

We support both small batches and large-scale production. Our flexible manufacturing system allows us to scale quickly while maintaining consistent quality.

 

Indeed, our engineering team can provide valuable assistance with design suggestions, material selection, and redesigns to enhance performance or reduce costs.

We supply cable assemblies for various industries, including:

  • Automotive

  • Industrial equipment

  • Medical devices

  • Consumer electronics

  • Telecommunications

 

All products undergo a 300% inspection and testing process before shipping. We follow strict quality control processes and are ISO certified.

 

OUR CLIENT

Siemens
Mettler-Toledo
Amphenol
BOSCH
TE
Samsung

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