Become the builder of the global smart medical wearable ecosystem

make health management accessible without boundaries.

About J-Style

Founded in 2004, J-Style (Youhong Medical) is a global leader in digital health wearables and smart medical device solutions, dedicated to building the next-generation AI + BioSensor digital health ecosystem. Guided by the vision of “Leading the Global Smart Medical Wearable Ecosystem, Making Health Management Boundless,” we focus on professional-grade wearable technologies and chronic disease monitoring solutions for global brand customers, healthcare institutions, and digital health partners.

Our product portfolio includes JCRing Smart Rings, JCVital Smart Bands & Smart Watches, chronic disease monitoring devices, and intelligent rehabilitation equipment. By integrating biosensing technology, IoT communication, cloud computing, and AI-powered big data analytics, we create a comprehensive digital health ecosystem centered around Hardware + Data + AI Insights + Cloud Services. We also provide OEM / ODM manufacturing, SDK/API integration, APP customization, private deployment, and cloud platform solutions for global partners.

With strong in-house R&D capabilities and advanced manufacturing systems, our products and solutions are trusted by partners in more than 120 countries and regions worldwide. We are committed to advancing digital healthcare through Early Prevention · Early Detection · Early Intervention, while working together with global partners to shape the future of smart healthcare and connected wellness.

Shenzhen Wearable Production Base

Guangdong R&D Centre

Hunan Medical Factory

Our Vision & Mission

Leading The Global Smart Medical Wearable Ecosystem, Making Health Management Boundless.

Empowering Health With Precision Medical-Grade Wearables

YouHong Medical focuses on digital health Care, leveraging innovative wearables and advanced AI to deeply integrate smart devices with healthcare, enabling seamless, boundless health management.

Full Dimension Empowerment Of Medical Smart Wear

Full-stack R&D, defining industry standards

Covering a wide range of products such as smart rings, bracelets and watches, we provide an integrated full-chain solution from industrial design, structural engineering, hardware circuits, firmware development to APP and cloud services, comprehensively accelerating the implementation from concept to mass production.

Customized Smart Manufacturing, Empowering Global Brands

In-house medical-grade production lines and vertical supply chain system, enabling rapid prototyping and mass production.
Successfully served renowned brands such as Honor and Meizu.
Supports flexible manufacturing to meet personalized and differentiated smart medical wearable customization needs.

Research-Grade Algorithms, Medical-Grade Precision

A team of PhD experts independently develops core AI algorithms, holding multiple technical patents.
Collaborates with top-tier hospitals and leading universities for clinical validation, ensuring scientific and reliable data.
Health monitoring accuracy meets medical device standards, enabling early screening and management of chronic diseases.

Medical-Grade Quality Control, Systematic Assurance

ISO13485 medical quality system × CFDA-certified factory.
Nano-level overmolding technology × medical-grade cleanrooms.
Multiple inspection mechanisms ensure every product meets stringent medical wearable standards.

Market Empowerment, Helping Client Brands Break Through

Provides comprehensive marketing materials and strategic support.
Customizes brand solutions based on target user scenarios.
Helps clients efficiently enter the medical-grade wearable track and seize market opportunities.