SIJIE INFRARED
Industrial Infrared Pyrometer
Manufacturer
We manufacture low, medium and high temperature infrared pyrometers and fiber optic IR thermometers, widely used in metal processing, furnaces, heat treatment and automation systems.
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WITH MORE THAN
18 YEARS' EXPERENCE
 
Professional manufacturer of industrial infrared pyrometers and fiber optic IR thermometers, offering OEM and customized solutions for precise temperature measurement across a wide temperature range.

Full Range Products

We are devoted to the research, development, manufacturing and sales of industrial infrared pyrometers, covering low, medium and high temperature ranges, as well as fiber optic infrared pyrometers. We deliver high-precision, non-contact temperature measurement solutions for industries such as steel, glass, ceramics, petrochemicals, metallurgy and industrial automation, helping our customers improve process control, safety and production efficiency.
Hot Blast Stove 2-Color Pyrometer
Hot Blast Stove
2-Color Pyrometer
 
This infrared pyrometer/Infrared Thermometer is Fixed Pyrometer applied to measure high temperature objects in heating furnace or hot air furnace.
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SIJIE INFRARED
Mid Temperature Infrared Pyrometer
Mid Temperature
Infrared Pyrometer
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SIJIE INFRARED
High Temperature Infrared Pyrometer
SIJIE INFRARED
High Temperature
Infrared Pyrometer
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Optical Fiber Infrared Pyrometer
SIJIE INFRARED
Optical Fiber
Infrared Pyrometer
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Low Temperature Infrared Pyrometer
SIJIE INFRARED
Low Temperature
Infrared Pyrometer
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Hot Products

To provide reliable personal protective equipment for workers on an ongoing basis.
—— Changzhou Sijie Optoelectronics Technology Co., Ltd.
Reliable Infrared Pyrometers
For Industrial Processes Around the Clock
ABOUT
Sijie optoelectronics holds multiple self-intellectual property rights, related to infrared measurement core technology, based on decades of researching and development accumulation.
 
Our company's main products are STRONG-series 2-color Pyrometer, monochrome pyrometer, SMART-series fiber optic dual-color pyrometer, monochrome pyrometer, MARS-series monochrome pyrometer. Products are widely used in metallurgy, heat treatment, chemical, power, photovoltaic, cement, glass, refractory, crystal material production and other industries, well received by our end-users.
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SIJIE INFRARED

Industry-wide Solutions

Photovoltaic Industry

Infrarod tomnoraturo moaeuromont monitore and controle tho tomnoraturo during the manufacturing process of new energy products, providing key temperature information for product quality.
Photovoltaic Industry

Glass Industry

Pyrometers specially designed for the glass industry can monitor glass melting, form ing, and processing in real time, and control every aspect of glass production.
 

Glass Industry

Steel Industry

We provide measurement solutions for every step of the steel manufacturing process, from raw materials to ironmaking, steelmaking, rolling and finished products.
 

Steel Industry
SIJIE INFRARED

SIJIE INFRARED

The Reasons 
Why Choose SIJIE INFRARED
We has more than 20 years experience in infrared products Research and Development, we master core technology and possess independent intellectual property rights in infrared pyrometer design and manufacturing. We are continuous providing products with stable and reliable quality.
R&D platform
Technical services
R&D and manufacture
Valid patents

SIJIE INFRARED

We look forward to working with you and providing you with the best solutions
Our products are in a leading position in china and abroad, and are widely used in metallurgy, heat treatment, chemical, electric power, photovoltaic, cement, glass, refractory, crystal material production and other industries. our products have received high praise from our end-users. 
 

SIJIE INFRARED

News And Events
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Aluminum Extrusion Temperature Measurement Comparison

STRONG-GR-2514 Two-Color Pyrometer vs ThermocoupleIn aluminum extrusion processes, temperature control is critical for ensuring product quality, die life, and production efficiency. Traditional contact sensors such as thermocouples are widely used, but they often suffer from slow response time and m

23 June 2026
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Infrared Pyrometer Application in Steel Industry

In May 2024, Laan Protection Technology Co., Ltd. completed the ISO 45001 system recertification. The audit team recognized the company's hazard identification and risk control in R&D, production and warehousing, confirming that the system operates effectively and records are complete. The company w

21 October 2025
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The principle and characteristic of infrared temperature measurement technology

1. Infrared temperature measurement is a means of detecting equipment temperature anomaly. It is a non-contact temperature measurement method, which shows the temperature of the object by measuring the infrared light radiated by the object.Infrared is infrared radiation, infrared or infrared light f

21 October 2025

ONLINE MESSAGE

+86-18896742589

ONLINE MESSAGE

ibd@sjgdkj.com

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Liangu Intelligent Manufacturing Center, Economic Zone, Changzhou, Jiangsu
We has more than 20 years experience in infrared products Research and Development, we master core technology and possess independent intellectual property rights in infrared pyrometer design and manufacturing.
 

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