Shenzhen Joint Industry Co., Ltd
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Shenzhen Joint Technology Co., Ltd.
🇨🇳 China
200351-100 peopleManufacturer/Trading CompanyEstablished brand
OEM manufacturer
ODM manufacturer
Own brand
Shipments
544
Key customer
TRUST TRACKING
Key market
🇪🇨 Ecuador
Review
4.7
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Joint Chinese Ltd
🇨🇳 China
2004301-500 peopleTrading Company/Manufacturer/Service CompanyEstablished 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.
2051e Amoled Smart Health Watch
Fitness Tracker Smart Bracelet
Smart Health Ring
Smart Sleep Tracker Belt
JCRing 2301B Rose Gold Stainless Steel Titanium Smartring Blood Health Risk Assessment Smart Ring for Men Women Girl Couple 2025$29
JCVital 2501 Black Safety Wearable Device for Sugar Monitoring Api Smart Bracelet Men Smartband Fitness Smart Band with Sdk 2025$30
JCVital Pink 2501 Smart Bracelet Heart Rate tracker Wristband Blood Health Smart Wrist Band Smartband Wearable Medical Device$30
JCRing 2301B High Quality Intelligent Smartring Manufacture Blood Health Monitoring Risk Assessment Smart Ring for Android Phone$29
JCRing X3 Silver Titanium Smartring Protective Sleep Track Wearable Device Premium Healthy Latest Smart Ring for Women Ladies 2026$35
JCRing X3 Gold Titanium Smartring with Medical Grade Diabetic Blood Glucose Sugar Monitoring test Measurement Health Smart Ring$35
JCVital 2501 Black Smart Bracelets & Smart Bangles Smart Watch Bands & Accessories AI VO2 Max Health Smartband Wearable Device$30
JCVital 2358 Original Ip68 Gym Sports Smart Bracelet Projector Oem Fitness Tracker Smart Watch with Bracelet for Men Boy Couples$49
