Best Smart Home System Suppliers
Smatek Electronics Limited
🇨🇳 China
2012501-1000 peopleManufacturer/Trading Company/Distributor/Wholesaler/Service CompanyHigh capacity factory
OEM manufacturer
ODM manufacturer
Own brand
Shipments
4
Key customer
RANG DONG
Key market
North America
Review
4.8
2025 KNX Newest Big 10 Inch Smart Touch Panel for Smart Home Building Management System KNX/DALI Smart Home Automation Control$193
6 Inch KNX Smart Home Touch Panel IPS Display Android Operation System Home Automation for Multiple Room Controller KNX Devices$144
6-inch PoE Android Customizable Firmware Home Automation Gateway Zigbee Smart Control Panel Smart Light Switch Touch Screen$129
P6EL US Version Smart Scene Wall Switch Smart Home Control Switch Panel with Wifi Zigbee 4" IPS Touch Screen$57
4-inch PoE Smart Home System Panel Full Automatic Custom Firmware Wall Switches for Hotel System Control Touch Screen$69
Tuya Wireless Smart Home Zigbee Gateway with 4" Display Control Panel for Buildings to Control of Wall Switch$57
Smart Home Linux Panel PC Multi-functional Touch Screen Control Panel with Electrical 2 Gang 3 Gang Switch$57
10 Inch Metal Frame Tablet KNX Compatible Smart System Building Intercom PoE Smart Control Panel Custom Firmware$184
Smatek S9E Smart Building Automation Panel Wifi Zigbee for Tuya for Whole Home 10A Plug Socket Control Double Pole Switch$193
4 Inch Hotel Room Control System T6E-NZ with Zigbee IoT Platform Smart System Touch Panel 10A Max. Current 240V Max. Voltage$64
2025 for Tuya Zigbee Home Automation Products China Manufacturer Retro Touch Panel Curtain Wifi Home Appliances Control$80
CE Certified KNX Wall Panels for Building Management and Control Basic 4 Inch LCD Touch Control Display$77
Hangzhou Lifesmart Technology Co., Ltd.
🇨🇳 China
2013201-300 peopleManufacturer/Trading Company/Service Company/Wholesaler/DistributorOEM manufacturer
Own brand
High-tech enterprise
Industry association member
Shipments
158
Key customer
SELECT TECHNOLOGY
Key market
🇹🇭 Thailand
Review
5
Xiamen Leelen Technology Co., Ltd.
🇨🇳 China
19921001-2000 peopleManufacturer/Trading CompanyHigh capacity factory
Established brand
Large enterprise group
OEM manufacturer
Shipments
248
Key customer
PANASONIC
Key market
Asia
Review
5
Leelen Hogar Inteligente WiFi Zigbee Smart Home Kit 10.1" Smart Home Central Touch Control Panel Smart Home Products & Devices$201.43
Leelen Smart Home LCD-Panel Smart Home-Ki-Center Doorbell Video Intercom System Door Phone WiFi Tuya$80.6
Leelen Interruptor Inteligente WiFi Smart Home System Central Control Switch Panel Alexa Zigbee Smart Home Switches and Sockets$42.86
Leelen Productos PARA Hogar Inteligente 5.5" Smart Home Kits & Systems Android Tablet Light Touch Control Panel for Smart Home$188.57
Leelen Smart Home Security System 3.0 Zigbee WiFi Bluetooth Android 5.5" Touch Panel Gateway Voice Control Smart Home Automation$195.95
Tuya Smart Life APP Control Wireless 15A Energy Monitoring Smart Socket Google Home Alexa Ifttt WiFi Smart Plug EU for Home$5.85
Leelen Bluetooth and Wi-Fi Smart Outlet 120V 15A Home Socket Smart Plug Smart Outlet Compatible with Alexa and Google Home$4.38
Leelen Interruptor Inteligente Smart Home System Voice Control Switch WiFi Alexa Zigbee Smart Switches and Sockets$42.86
Leelen 1MP HD Camera Motion Detection Night Vision Smart Video Doorbell Smart Home Security System Doorbell$29
Leelen Cerraduras Smart Home System WiFi Fingerprint Unlock Smart Deadbolt Door Lock Zigbee Security Door Lock$29.43
Leelen Interruptor Intelligent WiFi Smart Home System Central Control Switch Panel Zigbee Smart Switch WiFi Alexa$42.86
Leelen V31+M31 Wireless Smart Doorbell Intercom System Home Apartment Smart Video Door Phone Waterproof Video Doorphone WiFi$263
Shenzhen NEO Electronic Co., Ltd.
🇨🇳 China
200251-100 peopleManufacturer/Trading Company/WholesalerEstablished brand
OEM manufacturer
ODM manufacturer
Own brand
Shipments
140
Key customer
BANZAI
Key market
North America
Review
4
Tuya Smart Socket Smart Home WIFI Socket Smart Power Plug 2.4G Wireless Alexa Smart Plug$7
Zigbee Ceiling Mounted Infrared Detector Smart TUYA Human Motion Sensor for Smart Home System$10
Smart Home Zigbee Gateway Wireless for Home Automation Tuya App$8.6
Home Use Water Leakage Sensor,Household Tuya Wifi Smart Home System Water Leak Detector Sensor$8
Hotel Room Intelligent System Remote Control Home Automation Smart Switch Tuya$8
Alarm Security System Outdoor Waterproof Alarm Wifi Wireless Smart Home Siren with Solar$13.8
Tuya Smart Mechanical Light Switch 2 Gangs Light Switch EU Support Remote Control for Smart Home Automation$8.2
WiFi Smart Home Intelligent Air Conditioning Controller IR Remote Control Thermostat Controller Support Alexa Google Home$13
App Remote Control Home Alarm System Work with Alexa Google Zigbee Wireless Smart Siren Alarm Clock$8.3
Tuya Wifi Smart Valve Controller Home Security Water Leakage Sensor Wifi Water Leakage Detector$3.5
Waterproof Home Security System Wireless Alarm Sirene Horn Buzzer Speaker and Strobe Light Smart Wifi Tuya Solar Outdoor Siren$16
Manufacturer Tuya WiFi Outdoor Water Timer Smart Sprinkler Controller Remote Control Smart Irrigation Controller$11.5
Fantem Technologies (shenzhen) Co.,ltd.
🇨🇳 China
2011101-200 peopleManufacturerOEM manufacturer
ODM manufacturer
Product customization
Patented technology
Key customer
ADT
Key market
Asia
Description
Fantem Technologies (Shenzhen) Co., Ltd. is a premier manufacturer and joint venture established in 2011 by Aeon Labs LLC (USA) and YITOA (China). Based in Shenzhen, the company specializes in the research, development, and production of IoT and smart home automation solutions. Operating as a contract manufacturer with robust OEM and ODM capabilities, Fantem maintains a workforce of 101 to 200 employees and manages six production lines to deliver high-quality electronic components and systems.
Smart Home Design Tuya Zigbee Phone & Voice Controlled 2 Gang 1 Way Wall Smart Light Switch for Garages and Hotels$24.24
Tuya Zigbee Wifi 4 Gang Smart Switch Alexa Voice Control Wireless Button Pusher for Smart Home for Garage & Outdoor Use$24.24
Z-Wave Voice Control Smart Life App Wireless Home Security System for Hotels USB Motion Sensor Temperature Humidity Sensor Light$22.13
Tuya Zigbee Smart Light Switch for Home & Office Automation Electric Powered Garage Hotel Compatible Voice App Control Features$24.24
Siterwell Electronics Co., Limited
🇨🇳 China
2010501-1000 peopleManufacturer/Trading Company/Service Company/Wholesaler/DistributorHigh capacity factory
OEM manufacturer
ODM manufacturer
Own brand
Key customer
AQARA
Key market
North America
Description
Siterwell Electronics Co., Limited, established in 2010 and headquartered in Ningbo, China, is a premier high-tech manufacturer and global provider of smart security ecosystems and IoT solutions. The company operates a massive 56,500 square meter production facility with an annual capacity of 36 million units, supported by a workforce of over 500 employees. Siterwell specializes in a comprehensive range of safety devices, including smoke, carbon monoxide, combustible gas, heat, and water leak detectors, as well as advanced combination alarms and smart home sensors. Their portfolio extends to smart gateways, thermostats, and commercial fire alarm control systems, many of which are integrated with Matter and Tuya IoT platforms.
As a leader in the industry, Siterwell maintains a world-class R&D center and an Asia-exclusive witness laboratory certified to both US and European standards, including CNAS ISO 17025. The company is recognized for its extensive international compliance, holding certifications such as UL (including UL 217 8th and 9th Editions), ETL, CE, BSI, LPCB, VdS, and RoHS. They offer robust OEM and ODM services, catering to professional markets and major international brands across 72 countries. With a strategic European branch in the United Kingdom and a new smart factory in Vietnam, Siterwell continues to innovate in the safety IoT sector, providing integrated solutions for residential, commercial, and industrial fire protection.
UL SAI certificate smoke detector, for smart home system$4.5
Siterwell WiFi Smart HVAC Thermostat, Programmable Smart Thermostat for Home, Works with Alexa, Google Assistant$26.6
Smart Thermostatic Radiator Valve, 3 settings-Automatic mode, Tuya Zigbee$17
Mini Photoelectric 10 Years Home-Use Smoke Alarm GS535$30
SITERWELL WiFi Smoke Detector, Smart Smoke and Carbon Monoxide Detector with Auto-Check, 2.4G WiFi Smoke Detector and Co Detector$21.28
Mini Carbon Monoxide Detector GS810 with Bsi En50291 Approval 10 Years Home-Use GS810$20
Siterwell WiFi Smoke Detector Alarm with Low Battery Warning, Photoelectric Fire Alarm for Home (Not 5G), TUYA APP$10.99
Carbon Monoxide Detector,Carbon Monoxide Alarm with 10 Year Battery Ultra Thin Design,Co Detector for Home Rv and Boats$15.99
Smoke and heat Detector, with 10 Years Built-in Battery for Home Bedroom and Kitchen, Easy Install and Big Test Button$9.56
Siterwell UL Addressable Fire Alarm System with Control Panel, 10 Addressable audio/visual alarm devices per loop$504
Wireless Interconnected Fire Suppression System$10.1
SITERWELL Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo with 2 AA Batteries Back Up, 2 in 1 Smoke and CO$19.75
Dongguan Yinlang Electronic Technology Co., Ltd.
🇨🇳 China
201611-50 peopleManufacturer/Trading CompanyOEM manufacturer
ODM manufacturer
Own brand
High-tech enterprise
Shipments
465
Key customer
HAFELE
Key market
North America
Description
Dongguan Yinlang Electronic Technology Co., Ltd., also known by its brand HONGLG, is a professional manufacturer and trading company specializing in the development and production of intelligent electronic lock systems. Based in Dongguan, China, the company has been active in the security industry since 2002, providing comprehensive electronic lock solutions for hotels, apartments, office buildings, and residential users. Their extensive product portfolio includes RFID hotel locks, Bluetooth and online system locks, face recognition systems, fingerprint locks, and digital deadbolts, as well as specialized hardware like hotel telephones and access control systems.
Operating with a dedicated R&D department consisting of electronic and mechanical engineers, the company offers robust OEM and ODM services to meet specific client requirements. Dongguan Yinlang has established a significant international presence, with its products utilized in high-profile projects such as the 2006 Doha Asian Games Athlete Apartments and the 12th National Games Apartments. The company maintains a strong commitment to quality and international standards, holding certifications including ISO 9001, CE, RoHS, and MA. Their products are designed to integrate with modern smart home ecosystems, supporting platforms like Tuya and TT Lock. With a factory presence and multiple production lines, the company exports its security solutions to diverse markets across North America, Europe, Southeast Asia, and the Middle East.
Smart Home Door Lock Electronic Smart Door Lock with Camera$199
Indoor Smart Lock Home Automatic Digital Door Handle Lock Smart With Fingerprint$99
Smart Home Solution Fingerprint Keypad Door Lock$149
Ela Smart Home System Electronic Face Recognition Card Door Lock$199
Smart Home Waterproof Smart Electric Rim Lock With Tuya APP Control WIFI Outdoor Gate Door Fingerprint Smart Lock$37.5
Home Smart Door Lock Fingerprint Single Door Lock Handle Digital Smart Door Lock for Apartment$99
Honglg Home & Apartment Smart Swipe Key Card Door Lock (HD5186)$50
Free Software Hote Selling Hotel Smart Door Lock$60
Waterproof Digital Handless Password Gate Rim Latch Lock bluetooth Smart Home TUYA Control Metal Door Lock Smart Rim Lock$48
Smart Home Hotel Glass Door Lock IC Card Bluetooth Support Tuya APP Smart Glass Door Lock With Fingerprint and Key$99
Intelligent Home Digital Electronic Glass Door Lock Wifi Tuya App Card Fingerprint Password Smart Doorlock With Fingerprint$44
High Security Digital Smart Door Access Control System$60
Power And Grace Co., Limited
🇭🇰 Hong Kong
201711-50 peopleTrading Company/Service CompanyShipments
41
Key customer
TOYO TECHNICAL
Key market
🇪🇸 Spain
Description
Power And Grace Co., Limited is a Hong Kong-based trading and investment company established in 2017, specializing in the audio and Internet of Things (IoT) sectors. The company operates as a strategic bridge between technical development and international distribution, maintaining a presence in both Hong Kong and Guangzhou. With a workforce of 11 to 50 employees, the firm focuses on high-end audio solutions, including smart touch amplifiers, 7.1 surround sound systems, and Bluetooth speaker systems. Their extensive product portfolio features professional-grade equipment such as digital audio mixers, power amplifiers, PA speakers, and multi-zone wall amplifiers integrated with Android OS and smart home protocols like RS485, Alexa, and Tuya. Beyond finished goods, the company supplies critical components including speaker housings, subwoofers, and wireless handheld microphones under brands such as Ben & Fellows, Lucky Tone, and Spirit. Power And Grace Co., Limited demonstrates strong international trade capabilities, with established export routes to the United States, Vietnam, and other global markets. The company’s business model combines financial investment with technical expertise, employing acoustic and software engineers to oversee R&D and product quality. This dual approach allows them to provide comprehensive OEM/ODM support and supply chain services for smart control panels and integrated home automation systems.
M 8*25W 8-Ch 10 Inch Smart Home Audio In Wall Amplifier Stereo Sound System Wall Amplifier with Aux In Volume Control$131
4-Channel WiFi Amplifier Rack Mount Option for Multi-Zone Audio & Home Theater Systems$55
4-Channel 120W*4 WiFi/ Audio Amplifier with Multi-Zone Control for Home Theater & Multi-Room Systems$76
2/4-Channel 20-Watt Wall Mount Amplifier with for Bluetooth FM LED IPS Screen for Home & Hotel$13
2.1 Channel Amplifier with Subwoofer Output Crossover & Level Controls for Bookshelf/Desktop/Commercial Use$34
Guangzhou SMT Smart Home Co., Ltd.
🇨🇳 China
20195-10 peopleTrading Company/OTHEROwn brand
Product customization
High-tech enterprise
Shipments
117
Key customer
ABHIMANYA INTERIO
Key market
Asia
Review
5
Digital Door Lock Wifi Sliding Door Lock Fingerprint Tuya Remote Smart Door Lock$24
Shenzhen Heiman Technology Co., Ltd.
🇨🇳 China
2005301-500 peopleManufacturer/Trading Company/DistributorEstablished brand
OEM manufacturer
ODM manufacturer
Product customization
Shipments
293
Key customer
SAIEG
Key market
North America
Review
4.8
Zigbee 3.0 Smart Gateway Home Automation Smart Home Hub$22
Heiman Smart Home Interconnected Siren Smart Indoor Siren Alarm HM2WD-W$13.7
Home Alarm System Tuya Smart Wifi Door and Window Sensor Tuya Smart Door Open Sensor Anti-theft$6.89
Durable Plastic WiFi Smart Home Wireless Door and Window Detectors Magnetic Contact Door Sensor for Home Alarm System$6.89
Durable Plastic WiFi Smart Home Wireless Door and Window Detectors Magnetic Contact Door Sensor for Home Alarm System$6.89
AC100-240V Smart Metering Plug with Relay Function Smart Home Power Socket Plug for EU UK$12.26
Heiman Factory Price Microwave Motion Sensor Smart Home Zigbee Motion Sensor Alarm System$9.8
Heiman Smart Home Interconnected Carbon Monoxide Detector UL2034 Executive Standard$16.86
ETL Certified CO Sensor Interlinked Smart Home Interconnected Carbon Monoxide Detector for Fire Alarm System$16.86
ETL Certified CO Sensor Interlinked Smart Home Interconnected Carbon Monoxide Detector for Fire Alarm System$16.86
New Arrival 2025 Products Home and Kitchen Matter Over Thread Motion Sensor Smart Home Security Occupancy Sensor$13.7
Heiman Ceiling Door Sensor Switch Smart Home Indoor Anti Theft Door Alarm$7.8