Wotian
- Company typePrivate
- Founded2005
- HeadquartersJiangning, China
- Headcount251–500
- GTM typeB2B
- OfferingHardware or Manufacturing
What Wotian does
Nanjing Wotian Technology Co., Ltd. (operating as WTsensor) is a privately held Chinese industrial sensor manufacturer founded in 2005 and headquartered in Nanjing, Jiangsu Province, with a second production site in Anshan. The company specializes in MEMS-based pressure and level measurement, producing diffused silicon and monocrystalline silicon pressure sensors, pressure transmitters, differential pressure transmitters, level sensors, and adjacent measurement products (temperature, flow, dew point) for industrial OEM and end-user applications.
Wotian's technology base centers on proprietary MEMS piezoresistive sensing elements manufactured through complete in-house production lines with 1,000+ pieces of manufacturing and testing equipment across 25,000 square meters of plant area, yielding 4-4.5 million sensors annually. Core product families include Monocrystalline Silicon Pressure Sensors, Diffused Silicon Pressure Sensors, the PC10 and PCM series transmitters, and specialized offerings for hydrogen (PCM301J), wireless IoT (PCM9880), and sanitary/process applications. The company participates in Chinese national standards for silicon pressure sensors and holds 123 patents and certifications including ISO9001, IATF16949, CE, RoHS, REACH, ATEX, and SIL.
The business model is direct-to-customer B2B manufacturing with OEM/ODM custom development, factory-direct pricing, 24-hour shipment from in-house warehouse stock, and 18-month product warranties. Distribution runs through an internal sales team supplemented by authorized stores on Alibaba.com and Made-in-China.com, exporting to 80-130 countries. Customers include global industrial enterprises such as WIKA, Fortive, Hitachi, Hikvision, and Hollysys, with end-applications spanning industrial automation, hydrogen energy, water treatment, automotive, instrumentation, medical/pharmaceutical, IoT, and engineering machinery. Pricing is quote-based and not publicly disclosed.
Wotian firmographics
Firmographics- Name
- Wotian
- Legal name
- Nanjing Wotian Technology Co., Ltd.
- Website
- https://wtsensor.com
- Company type
- Private
- Founded year
- 2005
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Ownership category
- akta.pro rank
Wotian industry classification
Industry- Product category
- Industrial Pressure Sensors and Transmitters
- NAICS
- Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513), Other Measuring and Controlling Device Manufacturing (334519)
- SIC
- Industrial Instruments For Measurement, Display, And Control (3823), Laboratory Analytical Instruments (3826)
- akta.pro primary industry
- Pressure & Force Sensors (Pressure/Strain/Load Cells) (HDAHALAB)
- akta.pro secondary industries
- Industrial-Grade Sensors & Transducer Components (Discrete sensing elements, transducers, MEMS sensors) (IMAGAJAO), Sensor Fusion, Interface ICs & Modules (AFE/Readout/Packaging/Calibration) (HDAHALAO), Sensors & Instrumentation Electronics Manufacturing Services (Transmitters, analyzers, industrial sensors) (IMAGAGAL)
Keywords
Where Wotian is headquartered
LocationHeadquarters
- HQ city
- Jiangning
- HQ country
- China
- HQ region
- Asia
Offices4 records
Markets served
Wotian business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Technology or R&D, Infrastructure, Supply Chain, Operations, Marketing or Sales
Revenue model
- Pressure Sensor Hardware Sales: Primary revenue from manufacturing and selling pressure sensors, pressure transmitters, level sensors, and related measurement products. The company operates as an OEM/ODM manufacturer producing standard and customized sensor solutions for industrial applications.
- OEM/ODM Custom Manufacturing Services: Customized development and OEM services for large projects, providing factory direct supply with ODM and OEM label options using customer company information.
- Technical Services and Support: Technical guidance by senior engineers, model selection and optimization services, installation and testing services included with product offerings.
Go-to-market motion1 record
Distribution channels4 records
Marketing channels10 records
Wotian product offering
Product offeringCore offering
Wotian designs, manufactures, and sells MEMS-based industrial pressure sensors and pressure transmitters, including diffused silicon and monocrystalline silicon sensing elements, differential pressure transmitters, level sensors/transmitters, and related instrumentation components. The company operates complete in-house MEMS production lines and serves industrial automation, hydrogen energy, water treatment, automotive, instrumentation, and process control customers globally through direct sales and OEM/ODM services.
Product overview
Nanjing Wotian Technology Co., Ltd. (WTsensor) is a manufacturer specializing in industrial pressure and level measurement solutions. The product portfolio centers on pressure sensors and transmitters, including Monocrystalline Silicon Pressure Sensors and Diffused Silicon Pressure Sensors as core sensing elements, which are integrated into finished Pressure Transmitters, Differential Pressure Transmitter Sensors, and Level Sensors & Transmitters. Supporting products include Temperature Sensors, Pressure Switches, Flowmeters, Pressure Gauges, Sanitary Pressure Sensors, Dew Point Sensors, Hermetic Seals, and Accessories. The company also offers specialized products for hydrogen measurement (PCM301J), wireless applications (PCM9880), and industrial automation (PCM50 with 4-20mA output). Products utilize standard industrial communication signals including 4-20mA current output and support wired (RS485, RS232, Ethernet) and wireless (4G/LTE, NB-IoT, LoRa, GPRS) transmission protocols.
Differentiator
Problem solved
Functional benefit
Products and services
- Monocrystalline Silicon Pressure Sensors High-performance pressure sensors using monocrystalline silicon technology with patented packaging for superior accuracy and stability, intended as core components for industrial pressure transmitters serving process control and automation applications.
- Diffused Silicon Pressure Sensors Pressure sensors using diffused silicon technology serving as core components for manufacturing pressure sensors and transmitters in industrial applications.
- Pressure Transmitters Industrial pressure transmitters that convert pressure into standardized 4-20mA output signals, integrating signal amplification, filtering, temperature compensation, and linearization for process control and automation systems.
- Differential Pressure Transmitter Sensors Differential pressure transmitters that measure the difference between two pressure points, used for filter blockage detection, airflow measurement, flow measurement, and liquid level measurement in industrial systems.
- Level Sensors & Transmitters Transmitters for measuring liquid level in tanks and vessels using pressure sensing technology, including submersible configurations for industrial and hydrological applications.
- Differential Pressure Transmitters (Monocrystalline Silicon) High-performance differential pressure transmitters utilizing monocrystalline silicon technology with patented packaging for enhanced accuracy in high-accuracy industrial measurement applications.
- Pressure Gauges Industrial instruments for displaying pressure measurements in industrial applications.
- Sanitary Pressure Sensors Pressure sensors designed for sanitary applications in food, beverage, and pharmaceutical industries requiring hygienic design.
- Temperature Sensors & Transmitters Sensors for measuring temperature in industrial applications, including RTD temperature sensors.
- Pressure Switches & Temperature Switches Switch devices that activate based on pressure or temperature thresholds in industrial systems.
- Hermetic Seal Pressure Sensors Sealed pressure sensor components designed for harsh environments with superior leak prevention.
- Dew Point Sensors Sensors for measuring dew point temperature in industrial processes, used in water analyzers.
- Flowmeters Instruments for measuring fluid flow rates in industrial applications.
- PCM301J Hydrogen Pressure Transmitter Pressure transmitter specifically designed for hydrogen gas applications with pressure range of 0-70 MPa.
- PCM9880 Wireless Pressure Transmitter High-precision intelligent pressure transmitter powered by a lithium sub-battery with wireless communication function for field applications where supporting power supply is inconvenient, such as heating, water supply, oil, and gas pipelines.
- PCM303D General Pressure Transmitter General-purpose industrial pressure transmitter with 316L stainless steel construction, IP65 protection, wide measuring range, and fast response for industrial monitoring applications.
- Sensor Accessories Supporting components and accessories for pressure sensors and transmitters.
Quantifiable outcome
- 4,500,000+ sensors produced annually with 99%+ quality consistency
- +3 more outcomes
Companies that use Wotian
Customer profileNamed customers5 records
Segments8 records
Ideal customer profiles3 records
Wotian technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature7 records
Wotian partnerships and signals
Strategic signalScale indicators13 records
Recent moves6 records
Expansion highlights6 records
Wotian competitors and assessment
Company assessmentDirect peers
- WIKA: Global market leader in pressure, temperature, level, and flow measurement instruments. Direct competitor in industrial pressure sensors and transmitters, and a disclosed Wotian customer. Most directly comparable peer on product overlap and target customer base.
- Endress+Hauser: One of the largest global suppliers of industrial process instrumentation including pressure, flow, level, and analytical measurement. Competes head-to-head in process-industry pressure transmitters and sensors targeting chemical, oil & gas, water, and food customers.
- Emerson (Rosemount): Rosemount is a flagship brand of pressure, temperature, and level instrumentation from Emerson. Directly comparable in industrial pressure transmitters for process automation, with similar target end-markets and 4-20mA/HART communication architectures.
- Yokogawa Electric: Yokogawa's differential pressure and pressure transmitter lines (e.g., DPharp series) are core process-industry products. Comparable on silicon-resonant and MEMS-based pressure sensing technology serving similar oil & gas, chemical, and power customers.
Broad incumbents
- Honeywell Process Solutions: Honeywell offers pressure transmitters and process instrumentation as part of its broader process-control and automation portfolio. Comparable on product category and end-customers (oil & gas, chemical, power), but operates at significantly larger scale.
- ABB Measurement & Analytics: ABB offers pressure, temperature, and flow instrumentation as part of its process-automation portfolio. Comparable on industrial pressure transmitter products and end-market coverage, though within a much broader electrification and automation suite.
- Siemens Process Instrumentation: Siemens provides pressure sensors and SITRANS transmitters for industrial automation. Comparable on pressure/level measurement products serving discrete and process manufacturing, but within a much larger digital industries portfolio.
- Sensata Technologies: Sensata is a major industrial sensor manufacturer with pressure, position, and force sensor product lines serving automotive, industrial, and aerospace customers. Comparable on pressure-sensor silicon technology and automotive-grade certifications (IATF 16949), though at much larger scale.
- Fortive (setra, Gems Sensors): Fortive's industrial-technology portfolio includes pressure and level sensing brands (Setra, Gems Sensors). Directly comparable on pressure-sensor products and target customers; also a disclosed Wotian customer.
Regional players
- SICK AG: German-headquartered sensor and automation solutions provider with pressure and level measurement products. Comparable on industrial pressure-sensor products and German/European customer base, though stronger in factory automation than process instrumentation.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Wotian social profiles
Digital presenceWotian compliance and trust
Trust signalCompliance11 records
Wotian financial estimates
Financial estimateRevenue estimate
Valuation estimate
Wotian leadership team
Management profileNumber of profiles
Profiles1 record
Wotian funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Wotian M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Wotian
What does Wotian do?
Wotian designs, manufactures, and sells MEMS-based industrial pressure sensors and pressure transmitters, including diffused silicon and monocrystalline silicon sensing elements, differential pressure transmitters, level sensors/transmitters, and related instrumentation components. The company operates complete in-house MEMS production lines and serves industrial automation, hydrogen energy, water treatment, automotive, instrumentation, and process control customers globally through direct sales and OEM/ODM services.
Is Wotian a public or private company?
Wotian is a private company. It is classified as venture growth investor backed and is currently operating.
When was Wotian founded?
Wotian was founded in 2005. It employs 251 to 500 people.
Where is Wotian based?
Wotian is headquartered in Jiangning, China, in the Asia region.
How does Wotian make money?
Three revenue lines are on record. Pressure Sensor Hardware Sales are the primary driver. The others are OEM/ODM Custom Manufacturing Services and technical Services and Support.
Who are Wotian's main competitors?
Direct peers on record are WIKA, Endress+Hauser, Emerson (Rosemount) and Yokogawa Electric. Broad incumbents are Honeywell Process Solutions, ABB Measurement & Analytics, Siemens Process Instrumentation, Sensata Technologies and Fortive (setra, Gems Sensors). SICK AG is listed as a regional player.
Does Wotian have an API?
No public API is recorded for Wotian.
What industry is Wotian in?
Wotian's product category is Industrial Pressure Sensors and Transmitters. Its primary akta.pro industry code is HDAHALAB, Pressure & Force Sensors (Pressure/Strain/Load Cells), with a secondary code of IMAGAJAO, Industrial-Grade Sensors & Transducer Components (Discrete sensing elements, transducers, MEMS sensors). Its NAICS code is 334513 and its SIC code is 3823.