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AOLITE Group – Precision Instruments for Metallurgy

China’s trusted manufacturer of thermocouple tips, samplers, oxygen & hydrogen probes, carbon cups, and contact blocks for steel plants, foundries, and metal processing industries.

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About AOLITE Group

Tianjin Aolite Electrical Measuring Trade Limited Company was founded in 2015, specializing in thermocouple tip and sampler solutions for the global metallurgy industry. Our manufacturing plant, established in 1996, spans 30,000 square meters with 6,500 square meters of standard workshop space.

As one of the largest manufacturers of instrument meters and electric resistance devices in China, we deliver high-precision, disposable sensors trusted by steel plants and foundries worldwide.

30,000m²

Plant Area

25+ Years

Industry Experience

AOLITE Factory

Annual Production Capacity

3M PCS

Thermocouple Tips

2M PCS

Samplers

2M PCS

Oxygen Probes

200K PCS

Contact Blocks

4M PCS

Carbon Cups

Our Products

Immersion Thermocouple Tip

Immersion Thermocouple Tip

Disposable immersion sensor for measuring liquid metal temperatures in ferrous and non-ferrous melting processes.

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Immersion Molten Steel Sampler

Immersion Molten Steel Sampler

Quickly extracts steel samples for spectrum analysis. Widely used in electric furnace, converter steelmaking, and continuous casting.

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Oxygen Probe

Oxygen Probe

Measures temperature and oxygen activity in open-hearth furnaces, converters, refining furnaces, and vacuum stoves.

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Hydrogen Probe

Hydrogen Probe

Designed for precise hydrogen content measurement in molten aluminum and other non-ferrous metals.

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Carbon Cup

Carbon Cup

Used with carbon and sulfur analyzers to rapidly determine carbon, silicon, and carbon equivalent in molten iron.

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Contact Block for Expendable Thermocouple 604

Contact Block 604

Matches Pt10Rh-Pt, Pt30Rh-Pt6Rh, and WRe3-WRe25 thermocouples. Uses high-polymer insulation (200°C heat resistant).

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Contact Block for Oxygen Probe

Contact Block for Oxygen Probe

4-wire contact block for Celox oxygen probe with lance. Ensures high-precision signal transmission in harsh environments.

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Square Cup

Square Cup

High-temperature resistant carbon cup for fast analysis of molten iron composition. Improves smelting efficiency.

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Why Choose AOLITE?

High Precision

Advanced welding and insulation techniques ensure accurate temperature and composition readings.

Fast Delivery

Large-scale production capacity ensures quick turnaround and global shipping.

Global Standards

Products meet international quality requirements for metallurgical analysis.

Trusted Worldwide

Serving steel plants and foundries in over 50 countries with reliable, disposable sensors.

Frequently Asked Questions

What is an immersion thermocouple tip used for?

It's a disposable sensor used to measure the temperature of molten metals in steelmaking and foundry applications.

Can your oxygen probes be used in vacuum furnaces?

Yes, our oxygen probes are designed for use in various steel-making environments including vacuum stoves.

What types of contact blocks do you offer?

We offer contact blocks for SC(RC), BC, and WRe3/25(D) thermocouples, compatible with Pt10Rh-Pt, Pt30Rh-Pt6Rh, and WRe3-WRe25 sensors.

Do you provide custom packaging or labeling?

Yes, we support OEM services including custom packaging, labeling, and product configurations.

What is the lead time for bulk orders?

Typical lead time is 15–25 days depending on order size and destination. Contact us for exact timelines.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to connect with our team.

[email protected]
86-15122273363
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