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No. 39 Wangchun Road, Jiangbei District, Ningbo City, Zhejiang Province, China,
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Ph: +86-574-8765-2777
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info@siterwell.com
Ph: +86-574-8765-2777

Explore Our Solutions A Leader in Fire Safety With advanced smoke alarms and elaborate security systems, we ensure every home is protected from fire. Smart Living Begins with Safer Spaces Explore Our Solutions Pioneering Smart Home Tech Our wide range of sensors, covering doors, windows, water leakage detection, and temperature control, offers everyday convenience. Energy-Efficient Solutions for Intelligent Comfort Contact for More Info Meet Us at CEDIA Expo 2025 Join us at CEDIA Expo 2025, Booth #C916 in Denver, Colorado, to explore the upgraded Smart Thermostat (GS368M) and latest Matter-certified innovations firsthand. Experience the Future of Smart Living Slider-Background-1
TRV & Matter Series

Featured Product Showcase

Explore our innovative TRV and Matter devices delivering precision heating control and seamless connectivity. Save energy while enhancing everyday comfort.
Smart Heating Products

Smart Heating Products

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Smart Home Products

Smart Home Products

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Our Services

Full-service
architecture and
urban design office.

Architectural Design & Planning
Visual Facility Design
Audio Facility Design
Construction

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R&D Meets Manufacturing

Full-Spectrum Innovation from Idea to Execution

With over 20 years of expertise in smart homes and industrial-grade IoT solutions, Siterwell provides vertically integrated services from design to delivery.
One-Stop Solution
Supports NB-IoT, LoRa, Zigbee, Wi-Fi, and RF
Certified for Global Standards
A 56,000 m² mega manufacturing base in Ningbo, China, with an annual output of up to 15 million units, and another new production facility in Vietnam to facilitate global expansion, flexible deployment, and regional logistics.
Two Intelligence Factory
A 56,000 m² mega manufacturing base in Ningbo; another new production facility in Vietnam Factory
Two R&D Centers
We have R&D centres in China and the UK.
Global Presence

A Global Footprint Built for Local Impact

With presence in 8 key regions, including China, Vietnam, Singapore, the UK, the Netherlands, and the U.S., Siterwell advances smart safety globally. The recent acquisition of FireAngel marks a milestone in our global expansion. From R&D hubs in Shenzhen and Xi’an to delivery centres across the U.S. and Europe, we stay close to where our customers live and work.
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Proven Reliability

Certified for Excellence Worldwide

We hold key global safety certifications, including UL217, INTERTEK, BSI, ACTIVFIRE, and more, proving our commitment to quality and compliance. We are the first Asian manufacturer certified for the latest UL smoke-sensing technologies and a trusted CSA Alliance member. Siterwell is also a certified UL Standards Committee member and a Lead Member of the Matter Working Group.
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Latest News & Updates

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Award-Winning Innovation in Smart Safety

We are globally recognized for excellence, winning international awards including Red Dot, iF Design, Stiwa Test Winner, and PlusX for innovative products.
Work inquiries

Questions? Get in touch.

Barcelona
Laura Norson
laura@sayhello.clbthemes.com
+3.230.705.5448

Rotterdam
Mark Rickson
mark@sayhello.clbthemes.com
+4.330.705.5448

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