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 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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2025 New 1.93inch Smart Watch X43 with amoled screen Waterproof IP68 Heart rate monitoring Multiple sports modes$9.8
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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.
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
CR-20 Nfc Smart Ring Multi-sport Tracking Health Monitoring Ceramic Plastic Case Sleep Tracking Smartring$9.39
1.83inch Screen Smart Watch Sport Flashlight Smart Bracelet Fitness Watch Tracker Heart Rate and Blood Pressure$7.69
Screenless Smart Watch Band H59,Heart Rate Blood Oxygen Sleep Call Reminder 100+ Sport Modes Fitness Smart Bracelet$10.29
CR126 1100mah Large Battery Flashlight Smart Watch Multiple Sport Mode Music Control 3atm Waterproof Outdoor Smart Watches 2025$12.79
M103 Smart Watch 2in1 TWS Earphones Set Smartwatch Air31 Wireless Earbuds Combination Set M103 Gift Box Smart Watch for Men$7.99
CR-G03 Ai Translation High Tech BT Glasses Directional Audio Smart Sunglasses Smart Eyewear Support Calls$10.99
Smart Wearable Headset 800w Camera Anti-blue Light Photochromic Sunglasses Al Translation Voice Record Calls Smart Glasses$36.19
CR-17 5atm Waterproof Smart Ring Stainless Steel Material Blood Oxygen Sleep Monitoring Health Smart Rings With Charger$7.59
CR-GA02 800w Camera Smart Glasses Video Recording With Audio Call Bt & Wifi Transfer 4gb Memory-smart Wearable Headset$36.19
Smart Watch 2024 J126 Compatible Amoled 2.1 Inch Big Screen 220mah J126 Smartwatch 2023$13.99
I8 Pro Max Smart Watch Relojes Inteligentes Sport CR080 Outdoor Waterproof Montre Intelligente Smartwatch$6.19
CR-GA01 Smart Ai Camera Glasses 500w Hd Camera Anti-shake Record Enc Ai Translation Wifi Sunglasses Smart Intelligence Headphone$28.99
Shenzhen Gold-East Electronic Co., Ltd
🇨🇳 China
1996301-500 peopleManufacturer/Trading Company
Established brand
OEM manufacturer
ODM manufacturer
Product customization
Shipments
21
Key customer
VIZIN INDIA
Key market
Europe
Description
Shenzhen Gold-East Electronic Co., Ltd. is a leading high-tech manufacturer and exporter of consumer electronics based in Shenzhen, China. Established in 2002, the company has grown into a comprehensive enterprise integrating research, development, manufacturing, and sales. Operating from a 6,000-square-meter facility with up to 18 production lines, the company employs between 300 and 500 staff, including a dedicated R&D team of over 30 senior engineers. Gold-East specializes in smart wearable technology, including smartwatches, smart bracelets, fitness trackers, smart glasses, and smart rings. Their diverse product portfolio also encompasses tablet PCs, laptops, and USB flash drives.
As a specialized OEM and ODM service provider, the company maintains a monthly production capacity of approximately 300,000 units and holds numerous national and provincial patents. Gold-East is recognized for its commitment to quality and social responsibility, holding certifications such as ISO 9001, ISO 14001, and SMETA (SEDEX). Their products comply with international standards including CE, RoHS, FCC, and REACH. With over 20 years of industry expertise, the company serves a global clientele across more than 40 countries, including major international retailers and brands such as Walmart, Target, Samsung, and Polaroid.
Bluetooth Call Smart Watch Health Monitoring Remote Camera Sport Wristwatch$16
AI Smart Glasses with Translator Portable Record Video and Take Photo Smart Glasses with Camera$30
4inch Mtk6572m, Dual-Core Smart Phone$39
Shenzhen Youhong Technology Co., Ltd.
🇨🇳 China
2004301-500 peopleManufacturer/Trading Company
Established brand
OEM manufacturer
ODM manufacturer
Own brand
Key customer
HONOR
Key market
Africa
Description
Shenzhen Youhong Technology Co., Ltd., also known as Jointcorp (J-Style), is a global pioneer in digital health wearable technology and medical device solutions. Established in 2004 and headquartered in Shenzhen, China, the company operates as a high-tech manufacturer and trading entity with a workforce of 301 to 500 employees. They specialize in the research, development, and production of smart wearable devices, including smart rings, smartwatches, fitness trackers, and chronic disease monitoring instruments. Their integrated digital health solutions leverage advanced biosensors, AI-driven algorithms, and cloud-based platforms for real-time biometric analysis.
The company maintains a robust manufacturing infrastructure across multiple facilities totaling 15,000 square meters, featuring in-house capabilities for molding, plastic injection, SMT, and final assembly. With a monthly production capacity exceeding 1,000,000 units, they provide comprehensive OEM and ODM services to global clients, including major brands like NTT Docomo, Honor, and Meizu. Their product portfolio extends beyond wearables to include smart electric toothbrushes, beauty care devices such as microdermabrasion machines, and medical-grade equipment like blood pressure monitors and sleep quality trackers.
Shenzhen Youhong Technology is committed to international quality standards, holding numerous certifications including ISO 9001, ISO 13485, ISO 14001, BSCI, SEDEX, FDA, CE, and FCC. With over 20 years of industry experience and a strong R&D focus supported by technical patents, the company exports its products to over 100 countries, with primary markets in North America and Europe.
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OEM/ODM 92% Snail Mucin Repair Cream 100g Face Moisturizer Hydrating Repair Lotion for All Skin Types Including Dry Sensitive$2.03
Private Label 2.5% Retinol Face Cream with Hyaluronic Acid Vitamin E Glycerin Anti-Wrinkle Freckle Whitening Properties$1.8
Eastern Gold Technology Co., Limited, also known as Shenzhen Gold-East Electronic Co., Ltd, is a prominent manufacturer and exporter of consumer electronics and smart wearables based in Shenzhen, China. Established in 2002, the company has over 20 years of industry expertise, specializing in the research, development, and production of smartwatches, smart bracelets, and innovative LED lighting solutions. Their diverse product portfolio includes GPS smartwatches, fitness monitors, AI glasses, smart rings, and a wide range of LED desk lamps and silicone crafts.
The company operates a robust manufacturing infrastructure featuring a 6,000-square-meter factory equipped with 18 production lines, high-speed automatic SMT machines, and specialized dust-free workshops. With a monthly production capacity of up to 300,000 units, they provide comprehensive OEM and ODM services, supported by a team of over 30 senior engineers and a creative design department. Their commitment to innovation is evidenced by more than 20 national and utility model patents, with approximately 80% of their smart wearables developed using proprietary molds.
Eastern Gold Technology maintains rigorous quality standards, holding ISO 9001:2015 and ISO 14001 certifications. Their products are compliant with international regulations including CE, RoHS, FCC, and REACH. The company serves a global clientele across more than 40 countries and regions, including North America, Europe, and South America, and has established supply relationships with major global brands such as Walmart, Samsung, Polaroid, and IBM.