Comtech Cables | Premium Automotive & Industrial Wiring Solutions Since 2006

About Comtech

Shenzhen Comtech Electronics Co., Ltd. (Hong Kong Comtech Co., Ltd.), established in 2006, is a professional cable manufacturer providing leading connection solutions across automotive, medical, power, and communication industries.

We specialize in manufacturing, marketing, and technical services for automotive connectors (OBD2, J1962, J1939), diagnostic cables, medical equipment cables, communication cables, network cables, power cables, and USB cables.

ISO-Certified Manufacturing Since 2006

Custom Design & Mold Service Available

Global Distribution & Fast Turnaround

Our Products

Engineered for performance, durability, and precision — our cables and connectors meet the highest industry standards.

J1939 Type2 M12 8P Adapter

9pin Male to Female, for J1939 Diagnostic Scanner & Fault Code Reader

Heavy Duty

Automotive OBDII Cables

Standard and custom-length OBD2 diagnostic cables for all vehicle brands

Universal Fit

Heavy Vehicle Wiring Harness

Designed for trucks, buses, and construction equipment with J1708/J1939 support

Commercial Grade

Macromelt Molding PCB Harness

Sealed, vibration-resistant connections ideal for harsh environments

Industrial Use

Custom Wiring Harness

Tailored to your exact specifications — length, connector type, shielding, and more

Made-to-Order

Energy Storage Adapters

High-efficiency adapters for battery systems and renewable energy storage

Green Tech

Automotive Brand Connectors

OEM-compatible connectors for Ford, GM, Toyota, BMW, and other major brands

OEM Match

Industrial Control Cables

Shielded, noise-resistant cables for PLCs, sensors, and automation systems

Automation Ready

J1939 Deutsch to OBDII Adapter

9 Pin Deutsch Female to OBDII Female — ideal for fleet diagnostics

Diagnostic Tool

16 Pin OBDII to J1939 Adapter

Converts standard OBDII interface to heavy-duty J1939/1708 plug

Adapter

Customer Mold Design Service

Full-service mold creation for proprietary connectors and housings

Engineering

Accessory & Repair Services

Cable repair, re-termination, and replacement part fulfillment

Support

Why Choose Comtech?

We combine engineering excellence with responsive service to deliver reliable connectivity solutions.

Certified Quality

All products undergo rigorous testing per automotive and industrial standards. We follow strict unqualified product control plans to ensure reliability.

Fast Turnaround

From prototype to mass production, we deliver custom harnesses and adapters quickly without compromising quality.

Custom Engineering

Our team supports customer-designed molds and bespoke wiring solutions for unique applications.

Frequently Asked Questions

What is a J1939 cable used for?

J1939 cables are used in heavy-duty vehicles like trucks and buses for diagnostics, ELD compliance, and communication between electronic control units (ECUs).

Can you manufacture custom-length OBDII cables?

Yes, we offer fully customizable OBDII cables in any length, with various connector types and shielding options.

Do you support Macromelt molding for PCBs?

Yes, we provide Macromelt molding services to encapsulate and protect PCB harnesses for industrial and automotive applications.

What industries do you serve?

We serve automotive, industrial automation, medical equipment, energy storage, and telecommunications sectors.

How long does custom production take?

Typical lead time for custom harnesses is 2–4 weeks, depending on complexity and volume. Prototypes can be delivered in as little as 7 days.

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Precision Wiring Solutions for Automotive & Industrial Applications