Our Story
We believe everyone deserves reliable fire protection
In 2001, our founder David Chen watched a neighbor lose their home to a fire that a working smoke detector could have prevented. That moment sparked a mission: make quality fire safety equipment accessible to people everywhere, not just in wealthy markets.
Twenty-three years later, our smoke detectors protect millions of families across 47+ countries. We're still based in Shenzhen, still obsessed with quality, and still driven by that same simple belief: fire safety shouldn't be a luxury.
What We Stand For
These aren't just words on a wall. They're the principles that guide every decision we make, from product design to customer support.
Safety First, Always
Every product we make could save a life. That responsibility shapes every decision we make, from component selection to final testing.
Practical Innovation
We don't chase trends. We solve real problems. Our R&D focuses on making fire detection more reliable, more affordable, and easier to install.
Partnership, Not Just Sales
Our customers become long-term partners. We succeed when you succeed, which is why we offer certification support, technical guidance, and responsive service.
Quality Without Compromise
EN 14604 certification is our baseline, not our ceiling. Every batch is tested. Every shipment is inspected. No shortcuts, no exceptions.
Our Journey
From a small workshop to a global manufacturer, here's how we got here.
2001
Founded in Shenzhen
Started as a small workshop with 10 engineers focused on smoke detector design
2008
First EN 14604 Certification
Became one of the first Chinese manufacturers to achieve European fire safety certification
2014
Expanded to 15,000m² Factory
Built our current facility with dedicated R&D lab and 8 automated SMT production lines
2018
Launched IoT Product Line
Introduced LoRaWAN sensors and cloud-connected fire monitoring systems
2022
47+ Country Milestone
Our products now protect families and businesses across 47+ countries worldwide
2024
AI Fire Detection
Released next-generation AI-powered fire cameras with video verification
Meet the Team
The people behind the products. Our leadership team brings together decades of experience in fire safety, manufacturing, and international trade.
David Chen
Founder & CEO
Founded Particlesensing in 2001. Built the company from a 10-person workshop to a 187-strong team serving 47+ countries.
Sarah Liu
VP of Operations
15 years in manufacturing management. Oversees our production and logistics teams to maintain consistent quality across all product lines.
Michael Wang
Head of R&D
Led development of our LoRaWAN sensors and AI fire detection cameras. Has driven multiple patented innovations in smoke detection and wireless sensing.
Jennifer Zhou
International Sales Director
Manages relationships with distributors across 47+ countries. Works across English, Mandarin, and regional markets worldwide.
What We Build
Our 15,000m² facility in Shenzhen produces everything from basic smoke detectors to advanced AI-powered fire cameras. We control every step of the process—design, assembly, testing, and certification—because quality can't be outsourced.
Whether you need 100 units or 100,000, white-label products or custom designs, we have the capacity and expertise to deliver.
Production
Automated SMT assembly lines
R&D Lab
In-house product development
Quality Control
100% batch testing
Logistics
Global shipping hub
Let's Talk
Whether you're looking for a manufacturing partner, exploring custom product development, or just want to learn more about what we do—we'd love to hear from you. Factory tours are always welcome.