###* * Company Profile**

**Company Name * *: Xi'an Tongzida Technology Co., Ltd

**Established * *: 2011

**Headquarters location * *: Xi'an, China

**Enterprise positioning: * * High precision temperature sensor solution provider * *, focusing on the research and development, production, and sales of thin film platinum resistors (PT100, PT1000 series, etc. ), serving customers in the global industrial automation, new energy, medical equipment, and consumer electronics fields.

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###Core products and technological advantages**

#### **1. Product series**

-* * Thin film platinum resistance * *: PT100, PT1000, PT500, PT300 full series coverage, supporting customized design (size, resistance, lead material).

-Application scenarios: Industrial temperature control, new energy vehicle battery management, medical equipment monitoring, smart home appliances, etc.

-* * Accuracy level * *: 1/10B level (± 0.01 º C), 1/10B level (± 0.03 º C), A-level (± 0.15 º C), meeting the needs of different scenarios.

#### **2. Technical advantages**

-* * Precision process * *: Using magnetron sputtering thin film technology to ensure resistance stability (long-term drift ≤ 0.04%/1000h).

-Wide temperature range coverage: Temperature measurement from -200 º C to+850 º C, suitable for extreme environments.

-Quick response: The response time in a water flow environment is as low as 0.05 seconds (T0.5).

-Low self heating design: Self heating coefficient ≤ 0.4 º C/MW, reducing measurement errors.

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###R&D and production strength**

-* * R&D team * *: A team of 30+engineers who have been deeply involved in the field of sensors for over 10 years and hold over 20 patented technologies.

-Production System:

-Fully automated production line with a monthly production capacity of over 2 million units.

-Through ISO 9001 quality management system certification, strict quality control throughout the entire process.

-The laboratory is equipped with high-precision calibration equipment (with an accuracy of ± 0.001 º C).

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###Market and Service**

#### **1. Application Fields**

-Industrial automation: PLC temperature control module, motor overheating protection.

-New energy vehicles: Battery pack temperature monitoring, motor thermal management.

-Medical equipment: In vitro diagnostic instruments, blood storage devices.

-Consumer Electronics: Smart home temperature control system, wearable devices.

#### **2. Service Commitment**

-Quick response: Provide technical solutions within 48 hours and deliver samples within 7 days.

-* * Customized support * *: Develop exclusive models based on customer needs and provide one-stop selection guidance.

-Global Supply: Supports small batch trial production to large-scale delivery, covering markets in China, Europe, and North America.

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###* * Cooperative clients**

-* * Industry benchmark * *: Establish long-term cooperation with leading enterprises such as XX Automobile, XX Medical, and XX Industrial Group.

-* * International Certification * *: Passed CE and RoHS certifications, in compliance with the IEC 60751 international standard.

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###* * Corporate Vision**

**Using precision sensing to drive an intelligent future**

Committed to becoming a leading global temperature sensor brand, we strive to promote industrial intelligence and green energy development through continuous technological innovation.