Discover a curated list of innovative wearable technology creators, specializing in health monitoring devices, fitness trackers, and smart accessories tailored to diverse industries.
2004301-500 peopleTrading Company/Manufacturer/Service Company
Established brand
OEM manufacturer
ODM manufacturer
Product customization
Shipments
844
Key customer
IL JIN ELECTRONIC INDIA
Key market
🇮🇳 India
Description
Joint Chinese Ltd, also known as J-Style, is a global pioneer and high-tech manufacturer of digital health wearables and medical devices, established in Dongguan, China, in 2004. With over 20 years of experience, the company operates as a manufacturer, trading company, and service provider, specializing in OEM, ODM, and contract manufacturing services. Joint Chinese Ltd employs between 301 and 500 people and boasts a robust R&D team of over 120 engineers, including PhD experts developing core AI algorithms. The company operates multiple factories, including a Shenzhen Wearable Production Base and a Hunan Medical Factory, with a total production area of 20,000 sqm and a monthly capacity exceeding 1,000,000 units. They offer a comprehensive range of smart health wearables and medical-grade products under the J-Style brand, including Smart Rings, Smart Bands, Smart Watches, Chronic Disease Monitoring Devices, and other smart health and personal care products. These devices integrate advanced sensors, low-power BLE, and medical-grade AI algorithms, supported by a cloud-based Digital Health Platform for real-time biometric analysis and AI-driven insights. Joint Chinese Ltd holds numerous certifications, including ISO 9001, ISO 14001, ISO 13485, RoHS, FDA, CE, FCC, BSCI, and HIPAA Compliance, ensuring medical-grade quality control. They provide full-stack R&D support, custom intelligent manufacturing, and end-to-end services from industrial design to app customization and cloud deployment. The company serves over 100 countries and regions, exporting to major markets across North America, Europe, Asia, and Australasia, and has partnered with global brands such as NTT Docomo, Honor, Meizu, Walmart, Amway, Target, Toshiba, Xiaomi, and LG.
JCVital 2358 Multifunction Health Monitoring Smart Bracelet Fitness Wrist Bands Smart Watch Smartwatches and Wearable Devices$49
JCRing X3 Black Health Monitor Smartring Lowest Price Second Generation Smart Ring Temperature tracker Titanium Wearable Device$35
JCVital V5 Black Health Monitor Wristbands Sport Smart Band Gadget Fitness Recovery Smart Bracelet Smartband Wearable Device$35
JCVital 2501 Black Smart Bracelets & Smart Bangles Smart Watch Bands & Accessories AI VO2 Max Health Smartband Wearable Device$30
JCVital 2501 Silver Smart Bracelet Ip68 Waterproof Smart Band Fitness Watch Wearable Device Own App Best Smartband Whitelabel$30
JCRing X3 Silver Titanium Smartring AI Medical Grade Glucose Monitoring Smart Ring bluetooth Wearable Device for Men Women 2025$35
JCVital 2501 Silver Fitness Wearable Device Smart Watch Android Smartband Cheapest Smart Band Mood Smart Bracelet in Low Price$30
JCRing X3 Silver Titanium Fitness Smartring ultra Thin Mobile Phone Health Tracking Smart Ring Oem Pcb Android Wearable Device$35
JCVital 2501 Silver Couples Smart Bracelets Watch Smart Band Watch AI VO2 Max Health Smartband Telehealth Smart Wearable Device$30
JCVital 2358 Black 4G Wifi Smart Bracelet Bluetooth Health Smart Watch Band GPS Wearable Device Sports Smartband Android and IOS$49
JCVital 2501 Black Safety Wearable Device for Sugar Monitoring Api Smart Bracelet Men Smartband Fitness Smart Band with Sdk 2025$30
X1B Rose Gold Titanium Smart Ring with Ecg Ppg Sensor Sleep Tracker Telehealth Smart Health Wearable Device for Men Women 2025$33
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
Review
4.5
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.
JCVital V4 Black Electronic Wearable Device Smart Bracelet J Style Wearable Technology Smart Band Sos Smartband 2025$29.7
Ws10 Smart Watch Wireless Wearable Devices Cellular Smartwatch X8 Pro Max Seestern Watch Mod$48
J-Style 2208A Smart Bracelet Watch Bands & Accessories Wholesale Other Smart Health Electronics Products Wearable Device 2023$9.9
JCRing X3 Black Stainless Steel Smartring Wireless Charging Shenzhen Manufacturers Wearable Device Bluetooth Pcb Smart Ring 2025$35
JCRing X3 Black Health Monitor Smartring Lowest Price Second Generation Smart Ring Temperature tracker Titanium Wearable Device$35
J-Style 2208A Smart Bracelet Watch Bands & Accessories Wholesale Other Smart Health Electronics Products Wearable Device 2023$9.9
JCVital V4 Black Health Monitor Wearable Device Android Smallest Smart Band Manufacturer Firmware Oem Smart Bracelet Smartband$29.7
2203 Luxury Fashion Sports Digital Wearable Devices Android ultra Smartwatch Customize Relogio Wrist Smart Watch for Men Hombre$11.99
JCRing X3 Black Fashion Design Smartring Sos Accurate Temperature Trend Wearable Device Outdoor Ip68 Digital Smart Ring 2026$35
JCVital V4 Pink Smallest Smart Band Screenless Smart Sensor Bracelet Health Smart Bracelet Oem Odm Telemedical Wearable Device$28.5
JCVital V4 Silver Health Smart Bracelets for Couples Fit Smart Band Bracelet Fitness Smartband Smartwatch Wearable Device 2025$29.7
Quality Technology Industrial Co., Ltd.
🇨🇳 China
2008301-500 peopleManufacturer/Trading Company
OEM manufacturer
ODM manufacturer
Product customization
High-tech enterprise
Shipments
121
Key customer
FRIORECORD
Key market
🇨🇱 Chile
Description
Quality Technology Industrial Co., Ltd. is a professional manufacturer and trading company established in 2008, specializing in the research, development, and production of wearable technology and consumer electronics. Based in the Bao'an district of Shenzhen, China, the company operates a 5,000-square-meter factory equipped with advanced machinery and six production lines. With a workforce of 300 to 500 employees, including a dedicated R&D team of over 50 specialists, the company provides comprehensive one-stop hardware and software solutions.
The company's extensive product portfolio focuses on smart wearable and fitness devices, including smartwatches for adults and kids, fitness trackers, smart bands, smart garments, smart rings, and sleep monitors. Additionally, they maintain expertise in digital products such as GSM mobile phones, AI translators, and portable media players. Quality Technology Industrial Co., Ltd. is a significant exporter, with 71% to 90% of its products reaching international markets and serving major global clients like Vodafone and Cosmote.
As a technology-oriented enterprise, the company offers robust OEM, ODM, and contract manufacturing services. Their operations are backed by an ISO 9001 certified quality management system, and their products comply with rigorous international standards, including CE, FCC, UL, CCC, and CB. By collaborating with leading electronic designers and adopting the latest technological innovations, the company ensures its products remain competitive and future-ready in the global consumer electronics market.
New Sport Watch Men Women Smart Watch Fitness Bracelet Android Connected Wearable Devices Smartwatch$12.35
Vogue Gadgets Smart Watch Sport Fitness Wireless Call Wearable Devices Sleep Quality Men Women Oem$32.5
New Arrival With Thermometer Latest Wearable Devices Unique Touch Screen Fitness Smartwatch Waterproof IP67 Smart Watch$12.35
Instant Real Time Dialog Translate 2.4''touch Screen Electronic Translation Device$68
Healthcare Monitoring ECG smart Band with open API SDK Supported Heart Rate Blood Pressure Monitor Call Reminder Smartwatch$13
Men Gifts AMOLED Smart Watch Bluetooth Call Waterproof Outdoor Sports Smart Watch Used Mobile Phones$14.58
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Multiple Motion Modes About 15mAh 5ATM Smart Electronic Wearable Ring for Men$7.07
Maxtop Wearable High Quality Health Smart Ring Fitness Tracker with Health Monitor$11
Dongguan Hongfeng Smart Tech Co., Ltd.
🇨🇳 China
2020101-200 peopleManufacturer/Trading Company
OEM manufacturer
ODM manufacturer
Product customization
High-tech enterprise
Key customer
CHINA MOBILE
Key market
Europe
Review
4.9
Description
Dongguan Hongfeng Smart Tech Co., Ltd. is a high-tech manufacturer and trading company based in Dongguan, China, specializing in the design and production of smart wearable devices and IoT solutions. Established with a focus on safety and health tracking, the company offers a comprehensive product portfolio that includes smartwatches, fitness trackers, GPS tracking bracelets for the elderly and children, smart rings, and mobile emergency SOS devices. Their expertise extends to advanced features such as fall detection, health monitoring, and system integration for lone worker safety.
Operating a factory with a monthly production capacity of 350,000 units, the company provides robust OEM and ODM services supported by an in-house R&D team of 50 engineers specializing in hardware, software, server, and app development. Their manufacturing excellence is backed by ISO 9001:2015, CE, RoHS, and EMC certifications, ensuring high quality and compliance with international standards. Beyond wearables, the company's diverse business scope includes IoT devices, virtual reality equipment, and Class I and II medical devices such as protective suits and masks.
With a workforce of over 100 employees and annual revenues exceeding US$30 million, Dongguan Hongfeng Smart Tech Co., Ltd. maintains a strong global presence, exporting over 80% of its production to more than 55 countries. They have established collaborations with recognized global brands such as Philips and Vodafone, positioning themselves as a reliable partner for professional smart technology projects and large-scale supply chain management.
L17 Pro Smart Bracelet WIFI LBS GPS Tracking VoLTE Call Wearable Devices for Seniors Elderly$45
Elderly Wearable Device with GPS Tracker SOS Button Fall Detection Health Care for Independent Living$58
Fence Tamper-proof 4G GPS Tracking Smart Watch Wearable Devices With Power Bank for Prisoner$85.9
Dementia Care Eletronic Fence GPS LBS Beidou Positioning 900mAh Battery Tracking Wearable Devices for Elderly$59.4
HTTP MQTT Protocol L23 Android 9.0 Heart Rate Monitor Ai Assistance Wearable Devices for Seniors Elderly$58.9
Waterproof IP67 Nano SIM Card 4G GPS Smart Watch Heart Rate Monitor Fall Down Sensor Wearable Devices$58.9
Work Area Fence L02 GPS Tracking Wearable Devices Switch Work Mode 4G Smart Watch for Lone Workers$58
Programmerable Smart Wearable Devices L17 Pro Smart Band GPS Tracking 2-way Calling Function Bracelet for Seniors$45
Waterproof IP67 Nano SIM Card 4G GPS Smart Watch Heart Rate Monitor Fall Down Sensor Wearable Devices$58.9
Customized Deep Black Smartwatch Android Wearable Devices Waterproof Smart Watch Gps Bt Calling Watches with Gps tracker$55.9
Personal Tracker Watch with Fall Detection for Seniors SOS Alarm GPS Smartwatch Elderly Wearable Devices(High Version)$81.9
Shenzhen Jingyun Iot Technology Co.,Ltd
🇨🇳 China
201751-100 peopleManufacturer/Service Company
OEM manufacturer
ODM manufacturer
Product customization
Patented technology
Key customer
HHSTAR
Key market
North America
Review
4.9
Description
Shenzhen Jingyun Iot Technology Co.,Ltd, established in 2017, is a manufacturer and service company based in Shenzhen, China, specializing in smart wearable devices and electronic components. With a workforce of 51-100 employees and a factory area exceeding 3000 square meters, the company operates a robust supply chain that includes investments in batteries, PCBA, and injection molds factories, alongside product assembly workshops. They offer comprehensive OEM and ODM services, encompassing product design, development, production, quality assurance, and sales. Their core product lines feature a diverse range of smart glasses (including AI, camera, video, and translation capabilities), smartwatches (with GPS, ECG, and blood glucose monitoring), smart rings, and smart bracelets. Additionally, they manufacture electronic components such as DC-DC modules, PCBAs, motor controllers, and LED control boards, and provide manufacturing services for injection molds, plastic parts, electronics assembly, and 3D printing. Shenzhen Jingyun Iot Technology Co.,Ltd holds ISO 9001 and ISO 14001 certifications, ensuring high-quality standards. They serve international markets, with key customer groups in Japan, Korea, Europe, and the United States, and have collaborated with brands like Walmart, hhstar, and Miniso.
T63b Square Flashlight Bluetooth Call 1.83inch Wearable-Devices Smart Watch Smartwatch$7.6
Custom High End 2024 New Style Metal Strap Am100 1.43 Amoled Touch Screen Health Monitor Wearable-Devices Metal Strap Smart Watch$20.9
in Stock T68plus 1.69inch TFT Screen Bluetooth Call LED Flashlight Citizen Watch Man Men's Sports Watches