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Precision Thermocouple Heads & Industrial Components

Trusted manufacturer since 1987. Specializing in aluminum thermocouple heads, terminal blocks, thermowells, temperature sensors, and custom OEM solutions including aluminum die casting, CNC machining, and plastic molding.

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Thermocouple Head Product Terminal Block CNC Machined Part Die Cast Component Thermowell Assembly Sensor Housing

About TDCAST

Yuyao Tongda Transportation Electric Factory, operating as TDCAST Thermocouple, has been a leader in precision industrial components since 1987. We began manufacturing signal system products and evolved into a trusted global supplier of thermocouple heads and related temperature sensing solutions.

Since 2003, we have specialized in aluminum thermocouple heads, continuously improving design, durability, and performance to meet international standards. Our products are exported to the United States and European markets, serving industries that demand reliability and precision.

Over 35 years of manufacturing expertise
12+ Technology Patents in Hydraulic & Electronic Systems
Full-service OEM: Die casting, CNC, molding, and assembly

Company Milestones

  • 1
    1987: Began manufacturing signal system components.
  • 2
    2001: Launched hydraulic electronic circuit breakers with 12+ international patents.
  • 3
    2003: Entered thermocouple head production.
  • 4
    2013: Expanded export operations to North America and Europe.

Our Products

High-quality thermocouple heads, terminal blocks, and custom OEM components engineered for durability, precision, and industrial reliability.

D-6P-C Thermocouple Head

D-6P-C

Aluminum die-cast thermocouple head with 6-pin terminal block. Ideal for high-temperature industrial applications.

N-6P-C Thermocouple Head

N-6P-C

Waterproof aluminum connection head with 6-pin configuration. Corrosion-resistant and durable.

DA Thermocouple Head

DA Series

Compact aluminum thermocouple head with dual terminal setup. Suitable for tight-space installations.

KMC Thermocouple Head

KMC Series

Heavy-duty thermocouple head with reinforced housing. Designed for extreme environments.

CMS Thermocouple Head

CMS Series

Miniature thermocouple head with ceramic terminal block. High insulation resistance and thermal stability.

KD Thermocouple Head

KD Series

Die-cast aluminum head with dual entry ports. Excellent for multi-sensor setups.

A Thermocouple Head

A Series

Standard aluminum connection head with screw terminals. Widely used in process control systems.

NAA Thermocouple Head

NAA Series

Weatherproof thermocouple head with gasket seal. IP65 rated for outdoor use.

DANW Thermocouple Head

DANW Series

Water-resistant thermocouple head with wire entry. Suitable for humid environments.

DANA Thermocouple Head

DANA Series

Aluminum head with dual NPT entries. Ideal for industrial furnace monitoring.

MAA Thermocouple Head

MAA Series

Mini aluminum head with compact terminal block. Space-saving design for dense panels.

KSE Thermocouple Head

KSE Series

Explosion-proof rated thermocouple head. Certified for hazardous environments.

We also offer custom OEM solutions for plastic products, CNC machining, and aluminum die casting.

Contact us for custom designs

Why Choose TDCAST?

Engineered for performance, precision, and long-term reliability in demanding industrial environments.

Certified Quality

ISO-compliant manufacturing with rigorous testing. 12+ international technology patents ensure innovation and reliability.

Fast OEM Turnaround

From mold design to full production. We support aluminum die casting, CNC machining, and plastic injection molding.

Global Export Ready

Products shipped to the USA, Europe, and beyond. Compliant with international standards and packaging requirements.

35+
Years in Manufacturing
12+
International Patents
50+
Custom Molds Designed
100K+
Units Shipped Annually

Frequently Asked Questions

What materials are your thermocouple heads made from?

Our thermocouple heads are primarily made from high-purity aluminum via die-casting, ensuring excellent thermal conductivity, lightweight construction, and corrosion resistance.

Do you offer custom OEM services?

Yes. We provide full OEM services including aluminum die casting, CNC machining, plastic injection molding, and mold design. Share your drawings or samples for a quote.

Are your products certified for industrial use?

Yes. Our manufacturing processes follow international quality standards. Many of our products are used in certified industrial and process control systems across North America and Europe.

What is the lead time for custom orders?

Typical lead time is 15–30 days depending on complexity, tooling requirements, and order volume. Prototype samples can be delivered within 10–14 days.

Get in Touch

For inquiries, quotes, or technical support, reach out to our team directly.

Contact Information

  • Name: David / Archer
  • Phone: +86-17858512910
  • Mobile: +86-18858095202
  • Fax: +86-574-22683718
  • Email: archer@tdcast.cn, david@tdcast.cn
  • Address: No. 18, Caiyuan Road, Lainghui Development Zone, Yuyao City, Zhejiang Province, China
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