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Shenzhen KY Intelligent Digital Ltd.
🇨🇳 China
2010201-300 peopleManufacturer/Trading Company
OEM manufacturer
ODM manufacturer
Product customization
Patented technology
Shipments
3
Key customer
ACCUTIME
Key market
Asia
Description
Shenzhen KY Intelligent Digital Ltd. (also known as Shenzhen KY Technology Co. Ltd) is a high-tech manufacturer and exporter specializing in the development and production of smart wearable devices and consumer electronics. Established in 2010 and headquartered in Shenzhen, China, the company operates a production facility ranging from 3,500 to 6,000 square meters, supported by a workforce of over 200 skilled personnel. The company is a recognized OEM and ODM partner for international brands such as Wal-Mart, Polaroid, and Blaupunkt, maintaining a monthly production capacity of up to 800,000 units.
Their core product portfolio focuses on smartwatches, fitness trackers, and smart bracelets, including specialized models like GPS kids' watches and heart rate monitors. Beyond wearables, the company manufactures tablet PCs, sports cameras, VR boxes, and connected health devices such as Bluetooth blood pressure monitors. Their R&D team integrates advanced technologies, including low-power chip design and sensor integration, while collaborating with major IC suppliers like Rockchip, MTK, and Allwinner.
Shenzhen KY Intelligent Digital Ltd. maintains a rigorous quality management system with certifications including ISO 9001, CE, FCC, RoHS, and SEDEX. With annual export values reaching up to USD 100 million, the company serves a global market across North America, Europe, Southeast Asia, and Africa. Their business model integrates research, design, and manufacturing to deliver high-end, fashionable digital products to the international B2B market.
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Shenzhen Songxing Technology Co., Ltd.
🇨🇳 China
2011501-1000 peopleManufacturer/Trading Company
High capacity factory
OEM manufacturer
ODM manufacturer
Product customization
Shipments
3
Key customer
DANIYAL ENTERPRISE
Key market
North America
Review
4.7
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1.83inch Screen Smart Watch Sport Flashlight Smart Bracelet Fitness Watch Tracker Heart Rate and Blood Pressure$7.69
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Shenzhen Vanssa Technology Limited Company
🇨🇳 China
202111-50 peopleManufacturer/Trading Company
OEM manufacturer
ODM manufacturer
Product customization
Key customer
DIALOG
Key market
South America
Review
4.6
Description
Shenzhen Vanssa Technology Limited Company is a professional manufacturer and trading company based in Shenzhen, China, specializing in the R&D, production, and marketing of smart wearable devices. With over 10 years of industry experience, the company operates a production facility exceeding 3,000 square meters and maintains a monthly production capacity of 500,000 units. Their extensive product portfolio includes smart watches, smart rings, smart bands, TWS earbuds, and AI smart glasses, featuring advanced functionalities such as ECG monitoring, blood glucose tracking, Bluetooth calling, and specialized safety features for children and the elderly.
As a technology-driven enterprise, the company employs a dedicated team of hardware and software engineers who provide comprehensive OEM and ODM services, including firmware support, app design, and OS/ID customization. They maintain strategic partnerships with leading technology providers such as Realtek, Nordic, and Jieli. To ensure high product standards, the company implements rigorous quality control protocols, including PCBA inspections, 8-hour aging tests, 100% waterproof testing, and 30,000-cycle key life tests. Their commitment to innovation is reflected in the release of 2-3 new models every season.
Shenzhen Vanssa Technology serves a global market and holds multiple international certifications, including CE, RoHS, FCC, BIS, KC, and UKCA, ensuring compliance with diverse regional standards.
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Shenzhen Manridy Technology Co., Ltd.
🇨🇳 China
2014101-200 peopleManufacturer/Trading Company
OEM manufacturer
ODM manufacturer
Own brand
Product customization
Shipments
8
Key customer
HAMMER LIFESTYLE
Key market
Oceania
Description
Shenzhen Manridy Technology Co., Ltd. is a National High-tech Enterprise and ISO 9001-certified manufacturer specializing in the research, development, and production of smart wearable and health monitoring devices. Established in 2014 and based in Shenzhen, China, the company operates a production facility equipped with seven production lines, maintaining a monthly capacity of approximately 90,000 units. Their workforce includes over 120 skilled workers and a dedicated R&D team of more than 20 members holding over 60 patents and 70 software copyrights.
The company's extensive product portfolio is categorized into Smart Wearable, Smart Health, and Smart Home solutions. Core offerings include smartwatches with Bluetooth calling, fitness trackers, heart rate monitors, blood pressure and oxygen sensors, and specialized devices such as infrared thermometers, fingertip pulse oximeters, and smart rings. Notable innovations include the MF6, which integrates a smartwatch with TWS earphones, and various IP68-rated waterproof sports watches.
As a comprehensive B2B provider, Shenzhen Manridy Technology offers robust OEM, ODM, and contract manufacturing services, including SDK provision for software customization. Their business scale is supported by annual revenues between US$5 million and US$10 million, with a strong export presence in European and international markets. The company has established itself as a reliable partner for global brands, including Polaroid, by delivering high-quality electronic equipment and Class II medical device solutions.
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Shenzhen HCT Electronics Co., Ltd. (also known as Shenzhen HLC Electronics Limited) is a private high-tech manufacturer and trading company established in 2014 in Shenzhen, China. The company specializes in the research, development, and production of smart wearable devices, wireless Bluetooth headsets, and tablet PCs. Its extensive product portfolio includes round and square screen smartwatches, fitness trackers, kids' smartwatches with SOS functions, TWS wireless earphones, and smart AI glasses. Additionally, the company operates a specialized division under the brand Maxen, which focuses on colorful TFT LCD displays, touch screens, and optical bonding modules for industrial automation and smart home applications.
Operating from production facilities totaling up to 18,000 square meters, the company maintains 100,000-level dust-free workshops and utilizes scientific JIT manufacturing methods. With a workforce of 201 to 300 employees, including a dedicated R&D team of engineers and technical specialists, the company boasts a monthly production capacity exceeding 1 million units. Shenzhen HCT Electronics is a verified supplier with ISO 9001 and CE certifications, offering comprehensive OEM, ODM, and SKD services, including custom app development and hardware branding.
The company has established a strong international presence, exporting 71% to 90% of its output to markets across Europe, Southeast Asia, North America, and the Middle East. Its professional capabilities have earned the trust of major global clients, including Xiaomi, Vivo, Walmart, and Michael Kors. By integrating advanced manufacturing equipment with stringent quality control processes, the company provides one-stop solutions for consumer electronics and industrial display needs.
Dart Cheng Communication Co., Ltd. is a professional manufacturer and trading company headquartered in Shenzhen, China, with a legacy in the consumer electronics industry dating back to 2001. The company specializes in the research, development, and production of innovative Bluetooth-related products and smart wearable devices. Its extensive product portfolio includes TWS earphones, Bluetooth headsets, smartwatches (including health-medical and 4G models), smart glasses, Bluetooth speakers, and various computer peripherals such as wireless keyboards and mice. Operating with a workforce of approximately 51 to 100 employees and a dedicated R&D center, the company provides comprehensive one-stop OEM and ODM services, covering everything from mold and circuit design to large-scale mass production. Dart Cheng Communication is committed to high quality standards, holding certifications such as ISO 9001, CE, FCC, BQB, and GMP. As a member of the Bluetooth SIG and the Radio Regulation and Frequency Planning in China (SRRC), the company emphasizes health-conscious and environmentally friendly manufacturing processes. With an annual revenue between US$5 million and US$10 million, the company maintains a strong international presence, exporting its products to major markets across North America, Europe, Asia, and South America.