Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 20 years.

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  • special sensor for fire fighting PC13III

special sensor for fire fighting PC13III


Imported sensor die with high reliability                                                                                                                                                                                                              

Temperature compensation of wide range           

Constant voltage compensation for normalized output                                 

Sealant pouring compensating board with excellent moisture resistance

Small size, convenient for installation and use

Pressure connection customization available                     

Sensor diameter: 12.6mm                                                                                                                                              


Product Parameters

Pressure range

Pressure range


Pressure reference

Sealed gauge pressure

Output signal

Zero output


Span output





Compensated temp.




Insulation resistance


Zero temp. coefficient

±0.8%F.S. (@ -30~70)

Span temp. coefficient

±0.8%F.S. (@ -30~70)

Housing and diaphragm                                    

Stainless steel 316L



PC13III special sensor for fire fightingPC13III special sensor for fire fighting 

    In mm

Production process

PC13III special sensor for fire fighting

                                                     Testing Equipment

PC28-2400 Pressure SensorPC28-2400 Pressure Sensor

PC28-2400 Pressure SensorPC28-2400 Pressure Sensor


PC13III special sensor for fire fighting

Company profile

PCM580 Digital Pressure Gauge (Φ80mm)

Nanjing Wotian Technology Co., Ltd. was established in 2005. It is an outstanding top sensor mkanufacturing enterprise in Jiangning District. The company was rated as Nanjing Engineering Technology Research Center and Nanjing. Municipal Engineering Research Center, Nanjing Enterprise Technology Center, Nanjing Postdoctoral Innovation Demonstration Base; is the unit that formulated the national standards for "Silicon Piezoresistive Pressure Sensitive Chips" and "Silicone Pressure Sensors". It is the leading domestic manufacturer of pressure sensors, with core technology of diffused silicon pressure sensor pressure transmitter, level sensor and temperature sensor and existing staff 305. The annual production of pressure sensors is more than 2 million. The products have been exported to more than 70 countries and regions. Nanjing Wotian was awarded the honorary title of "Sensor Application Program Demonstration Enterprise" by the Ministry of Industry and Information Technology in 2019. "Creating value for customers" is the goal that enterprises always pursue. As leading manufacturer in the domestic pressure sensor industry, the company will revitalize China's pressure sensor business as its own responsibility, work diligently, step by step, strive to make pressure sensors better, and provide customers with cost-effective sensors.  Nanjing Wotian Technology Co., Ltd. has passed ISO9001-2015 quality management system certification and TS16949 certification for the automotive industry.

Company advantage

Mass production

We have one production center in Nanjing and one production center in Anshan with 20,000㎡plant and 170 units of production equipments. The main annual capacity of sensors is about 2,000,000 pieces.

Imported equipments

We imported 20 sets of pressure controller and 150 units of testing ovens to our production line.

Informatization management

We have the information management system of CRM, PLM, ERP, MES and DINGDING etc.

Comprehensive testing

We have our own lab and testing equipment such as lightning stroke, surging, static electricity, vibration, high-low temperature impact test and helium mass-spectrum leak detection.