# Shenzhen Wanyi Technology Co., LTD | Geiger Handheld Nuclear Radiation Detecton,Handheld Nuclear Radiation Detector MR-50EXP,MR-50EXP geiger nuclear radiation detector, GM-100 Personal Dosimeter,GM-100 Nuclear Radiation Detection Devices,CMA  Nuclear Radiation Detection Devices, GM-300 Portable Nuclear Radiation Detector,GM-300 Nuclear Radiation Detector Device,Alpha Beta Gamma radiation detector, 

## summary
> Manufacturer, Brands: CESTSEN,  Shenzhen Wanyi Technology Co., Ltd. is located in Guangming District, Shenzhen, a high-tech city with convenient transportation and beautiful scenery. Wanyi Technology was established in 2011, based on the promulgation of the first "Indoor Air Quality Law" in China., Established in 2011, Employees: 50~100, Export ratio: 70% - 80%, Primary markets: North America, South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Middle East, Africa, Oceania, Worldwide.

## Company Information

 *  [Company Profile](https://www.cestsen.com/aboutus.html): Overview, history, teams and core capabilities.
 *  [Factory & Manufacturing](https://www.cestsen.com/factory.html): Production capacity, OEM/ODM capabilities, and R&D strength.
 *  [Quality Control](https://www.cestsen.com/quality.html): ISO certifications, quality standards, and compliance.
 *  [Contact Us](https://www.cestsen.com/contactus.html): Global offices, inquiries, and support channels.

## Product Category

* [Negative Oxygen Ion Sensor](https://www.cestsen.com/supplier-4786881-negative-oxygen-ion-sensor): Keywords: RS232 Air Ion Sensor,2 Million Per/Cm3 Air Ion Sensor,Air Ion Sensor ONETEST-502XP.
* [Solid Negative Ion Detector](https://www.cestsen.com/supplier-4786880-solid-negative-ion-detector): Keywords: 9999Pcs/Cm3 Negative Ion Tester,9999Pcs/Cm3 Solid Negative Ion Detector,Tiles Solid Negative Ion Detector.
* [Nuclear Radiation Detector](https://www.cestsen.com/supplier-4786874-nuclear-radiation-detector): Keywords: Geiger Alpha Beta Gamma Radiation Detector,CESTSEN geiger counter alpha beta gamma,CESTSEN alpha beta gamma detector.
* [Personal Dosimeter](https://www.cestsen.com/supplier-4786875-personal-dosimeter): Keywords: 100mSv/H Radiation Personal Dosimeter,0.01μSv/H Radiation Personal Dosimeter,Alligator Clip Nuclear Radiation Tester.
* [X Ray Sensor](https://www.cestsen.com/supplier-4786876-x-ray-sensor): Keywords: nuclear medicine decay pool device,30VDC Radiation Sensor Module,Gamma Radiation Sensor Probe.
* [Nuclear Radiation Monitoring System](https://www.cestsen.com/supplier-4786877-nuclear-radiation-monitoring-system): Keywords: CESTSEN Nuclear Radiation Detectors,Nuclear Radiation Detectors 4G,4G Online Regional Nuclear Radiation Monitoring.
* [Radon Detector](https://www.cestsen.com/supplier-4786878-radon-detector): Keywords: RS485 Radon Gas Sensor,Radon Gas Sensor RAD-17500,Phototransistor Radon Gas Detector.
* [Atmospheric Negative Ion Monitor](https://www.cestsen.com/supplier-4787119-atmospheric-negative-ion-monitor): Keywords: Positive And Negative Ion Tester,Temperature And Humidity Ion Monitor,Atmosphere Ion Monitor.
* [PM2.5 Detector](https://www.cestsen.com/supplier-4786891-pm2-5-detector): Keywords: Particulate Detector Pm 2.5,4G Wireless PM2.5 Detector,4G PM10 Air Quality Monitor.
* [Dust Particle Counter](https://www.cestsen.com/supplier-4786892-dust-particle-counter): Keywords: ISO-21501-4 Calibrated Dust Particle Counter,128X64 LCD Monitor Particle Counter,Light Scattering Method Dust Particle Counter.
* [Particulate Matter Sensor](https://www.cestsen.com/supplier-4786893-particulate-matter-sensor): Keywords: PM2.5 PM10 TSP Sensor,Laser Scattering Particulate Matter Sensor,PM2.5 Particulate Matter Sensor.
* [Air Quality Monitoring Device](https://www.cestsen.com/supplier-4786894-air-quality-monitoring-device): Keywords: VOC Indoor Air Quality Monitor,CO2 HCHO Indoor Air Quality Monitor,RS485 Indoor Air Quality Tester.
* [Outdoor Air Quality Monitoring System](https://www.cestsen.com/supplier-4786897-outdoor-air-quality-monitoring-system): Keywords: SO2 O3 Gas Detection Sensor,CO NO2 Gas Detection Sensor,4in1 Gas Concentration Sensor.
* [Negative Ion Detector](https://www.cestsen.com/supplier-4786879-negative-ion-detector): Keywords: Negative Air Ion Detector,Economical Air Negative Ion Detector,Air Negative Oxygen Ion Detector.
* [Ozone Detector](https://www.cestsen.com/supplier-4786906-ozone-detector): Keywords: Wall Mounted Ozone Concentration Analyzer,Ozone Concentration Analyzer Ultraviolet,Continuous Measurement Ozone Detector.
* [Taiwan Huibo Ultrasonic Instrument Series](https://www.cestsen.com/supplier-4786916-taiwan-huibo-ultrasonic-instrument-series): Keywords: 40KHZ Ultrasonic Cutting Machine,Ultrasonic Cleaning Machine Strength Tester,40KHZ Ultrasonic Knife Cutter.
* [Fiber Optic Thermometer](https://www.cestsen.com/supplier-4786918-fiber-optic-thermometer): Keywords: Laser Coaxial Radiation Thermometer,Radiation Thermometer 1.95uM,InGaAs Fiber Thermometer.
* [Infrared Emissivity Detector](https://www.cestsen.com/supplier-4786919-infrared-emissivity-detector): Keywords: 22um Emissivity Infrared Detector,2um Emissivity Infrared Detector,Quick Infrared Emissivity Detector.

## Featured Products

* [RAD-S50 Radon Gas Sensor Silicon Detector 5-65535 Bq/m³ Static Diffusion UART I2C Output Indoor Monitoring](https://www.cestsen.com/sale-55656615-rad-s50-radon-gas-sensor-silicon-detector-5-65535-bq-m-static-diffusion-uart-i2c-output-indoor-monit.html): Keywords: Radon gas sensor with UART output,Silicon radon detector for indoor monitoring,Static diffusion radon sensor 5-65535 Bq/m³.
* [Voice-Prompt Multi-Gas Detector ONETEST-G40 4-in-1 Combustible O2 H2S CO Monitor with Bilingual Alarm Explosion-Proof](https://www.cestsen.com/sale-55631826-voice-prompt-multi-gas-detector-onetest-g40-4-in-1-combustible-o2-h2s-co-monitor-with-bilingual-alar.html): Keywords: Voice-Prompt Multi-Gas Detector,4-in-1 Combustible Gas Monitor,Explosion-Proof Bilingual Alarm Detector.
* [Positive And Negative Ion Tester Atmosphere Temperature And Humidity Ion Monitor](https://www.cestsen.com/sale-53875524-positive-and-negative-ion-tester-atmosphere-temperature-and-humidity-ion-monitor.html): Keywords: Positive And Negative Ion Tester,Temperature And Humidity Ion Monitor,Atmosphere Ion Monitor.
* [GM-100 Personal Dosimeter Nuclear Radiation Detection Devices CE CMA Approval](https://www.cestsen.com/sale-53836320-gm-100-personal-dosimeter-nuclear-radiation-detection-devices-ce-cma-approval.html): Keywords: GM-100 Personal Dosimeter,GM-100 Nuclear Radiation Detection Devices,CMA  Nuclear Radiation Detection Devices.
* [Geiger Handheld Nuclear Radiation Detector MR-50EXP With Computer Software](https://www.cestsen.com/sale-53862960-geiger-handheld-nuclear-radiation-detector-mr-50exp-with-computer-software.html): Keywords: Geiger Handheld Nuclear Radiation Detecton,Handheld Nuclear Radiation Detector MR-50EXP,MR-50EXP geiger nuclear radiation detector.
* [Air Negative Oxygen Ion Detector KEC900+II Series Parallel Electrode Plate](https://www.cestsen.com/sale-53838850-air-negative-oxygen-ion-detector-kec900-ii-series-parallel-electrode-plate.html): Keywords: Air Negative Oxygen Ion Detector,KEC900+II Series Detector.
* [Comprehensive Air Quality Monitoring Device Carbon Monoxide Air Quality Monitor](https://www.cestsen.com/sale-53846111-comprehensive-air-quality-monitoring-device-carbon-monoxide-air-quality-monitor.html): Keywords: Comprehensive Air Quality Monitoring Device,Comprehensive Air Quality Monitor,Carbon Monoxide Air Quality Monitor.
* [Probes Radiation Monitoring System GM-R200 Optional 4G Wireless Transmission](https://www.cestsen.com/sale-53837451-probes-radiation-monitoring-system-gm-r200-optional-4g-wireless-transmission.html): Keywords: Probes Radiation Monitoring System,adiation Monitoring System GM-R200,4G Wireless Radiation Monitoring System.
* [RS485 Nuclear Radiation Sensor Probe X Ray Sensor RAD-S102](https://www.cestsen.com/sale-53863389-rs485-nuclear-radiation-sensor-probe-x-ray-sensor-rad-s102.html): Keywords: RS485 Nuclear Radiation Sensor Probe,Nuclear Radiation X Ray Sensor,Sensor Probe RAD-S102.
* [GM-300 Portable Nuclear Radiation Detector Device For Alpha Beta Gamma X Rays](https://www.cestsen.com/sale-53834537-gm-300-portable-nuclear-radiation-detector-device-for-alpha-beta-gamma-x-rays.html): Keywords: GM-300 Portable Nuclear Radiation Detector,GM-300 Nuclear Radiation Detector Device,Alpha Beta Gamma radiation detector.

## Case Studies & Applications

* [Installation case of Fixed nuclear radiation Alarm in hospitals](https://www.cestsen.com/cases/installation-case-of-fixed-nuclear-radiation-alarm-in-hospitals-35194.html)
* [Installation case of Fixed nuclear radiation Alarm in hospitals](https://www.cestsen.com/cases/installation-case-of-fixed-nuclear-radiation-alarm-in-hospitals-35988.html)
* [Installation of the online negative ion monitoring system for Fanjing Mountain](https://www.cestsen.com/cases/installation-of-the-online-negative-ion-monitoring-system-for-fanjing-mountain-36771.html)
* [Outdoor negative oxygen ion monitoring system-ONETEST-500XP-2](https://www.cestsen.com/cases/outdoor-negative-oxygen-ion-monitoring-system-onetest-500xp-2-36773.html)
* [The negative ion monitoring system in Yinna Village, Guangdong Province](https://www.cestsen.com/cases/the-negative-ion-monitoring-system-in-yinna-village-guangdong-province-37177.html)
* [Installation Example of Negative oxygen ion Monitoring System in Shaanxi](https://www.cestsen.com/cases/installation-example-of-negative-oxygen-ion-monitoring-system-in-shaanxi-41751.html)

## FAQ

Q: FAQ
A: 1. Who are we?Our headquarters is located in Shenzhen, Guangdong, China. We first started in 2006 and established the company in 2011. There are approximately 20 people in our office. 
2. How do we ensure quality?We have a strict assembly line production system and also possess the ISO9001:2015 quality management systemFinal inspection is always carried out before shipment. 
3. What is the warranty for our products?One-year warranty 
4. What services can we offer?Accepted delivery terms: FOB, CIF, EXW, CPT, express delivery;Accepted payment currencies: US dollars, Chinese yuan;Accepted payment method: T/T;Oral English: Chinese

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## News & Blog

* [What are the units of radiation dosimeters-GM-300 series](https://www.cestsen.com/news/what-are-the-units-of-radiation-dosimeters-gm-300-series-238496.html)
* [Standards for dust particle grades in cleanrooms](https://www.cestsen.com/news/standards-for-dust-particle-grades-in-cleanrooms-243730.html)
* [GM-R200 X-Rays Radiation Monitoring System – Real-Time, Multi-Zone Detection with Cloud Connectivity](https://www.cestsen.com/news/gm-r200-x-rays-radiation-monitoring-system-real-time-multi-zone-detection-with-cloud-connectivity-262327.html)
* [ONETEST-200XP Outdoor Air Ion Detector Made in China – High-Precision Multi-Parameter Environmental Monitor for Negative](https://www.cestsen.com/news/onetest-200xp-outdoor-air-ion-detector-made-in-china-high-precision-multi-parameter-environmental-mo-262455.html)
* [GM-R200 – Advanced 4G Online Regional Nuclear Radiation Monitoring System for Real-Time Multi-Zone Safety](https://www.cestsen.com/news/gm-r200-advanced-4g-online-regional-nuclear-radiation-monitoring-system-for-real-time-multi-zone-saf-263259.html)