OEM/ODM Manufacturer

ChronoWell · Shenzhen

Built at Source.
Trusted Worldwide.

A 4,000 m² precision manufacturing facility in Shenzhen -- powering the world's smart wearable brands through OEM & ODM excellence since 2012.

4,000

Factory Floor

12+

Years Experience

500+

SKUs Available

9+

Export Countries

ChronoWell Shenzhen factory aerial view

ISO Certified

ISO 9001:2015

Est. 2012 · Shenzhen, China

Who We Are

Your Trusted Smart Wearable Manufacturing Partner

Founded in 2017, Staranb is a vertically integrated smart wearable manufacturer headquartered in Shenzhen, China. From our 4,000 m² state-of-the-art facility, we engineer, produce, and deliver premium smart watches and fitness bracelets to brand owners, wholesalers, and innovators across 9+ countries.

We specialize in full-cycle OEM and ODM services -- from concept design and hardware engineering to firmware development, quality assurance, and global logistics. Whether you need 500 units or 500,000, our scalable production lines are ready to bring your vision to life.

OEM / ODM

Custom manufacturing from concept to delivery

Scalable Production

500 to 500,000 units -- flexible MOQ

Quality Assured

ISO 9001 · CE · FCC · RoHS certified

Global Reach

Exporting to 9+ countries across 4 continents

Our Journey

A Decade of Innovation

From a small workshop to a globally recognized smart wearable manufacturer -- our milestones tell the story.

2012

Foundation

ChronoWell was founded in Shenzhen with a team of 12 engineers, focusing on fitness tracker hardware development and small-batch OEM production.

2014

First Export

Secured first international OEM contracts with US and European brands. Expanded factory to 1,500 m² and obtained CE & FCC certifications for global market entry.

2016

R&D Lab Established

Launched a dedicated R&D center with 30+ engineers. Developed proprietary health sensor algorithms including ECG and SpO₂ monitoring capabilities.

2019

Global Expansion

Expanded exports to 9+ countries across North America, South America, Europe, Middle East, and Asia. Achieved ISO 9001:2015 certification and surpassed 1 million units shipped.

2021

4,000 m² New Facility

Moved to our current 4,000 m² state-of-the-art manufacturing complex featuring automated SMT lines, clean-room assembly, and an integrated testing lab.

2024

500+ SKUs · AI Health Platform

Launched AI-powered health analytics platform, expanded product line to 500+ SKUs, and onboarded 200+ global brand partners across sports, fitness, and healthcare verticals.

The Minds Behind

Our R&D Team

60+ engineers and designers dedicated to pushing the boundaries of wearable health technology.

60+

R&D Engineers

120+

Patents Filed

8

Tech Departments

15+

Avg. Yrs Experience

Dr. James Chen, Chief Technology Officer

"Innovation is not about features -- it's about solving real health challenges."

Dr. James Chen

Chief Technology Officer

Hardware ECG 15 yrs
Sarah Liu, Head of Firmware Engineering

"Every line of firmware is a promise to the end user -- it must be reliable, always."

Sarah Liu

Head of Firmware Engineering

RTOS BLE 12 yrs
Mark Wang, Lead Industrial Designer

"Design is where engineering meets human emotion -- both must be perfect."

Mark Wang

Lead Industrial Designer

CMF ID 10 yrs
Dr. Amy Zhou, Health Algorithm Scientist

"Accurate health data saves lives -- our algorithms are built with that responsibility."

Dr. Amy Zhou

Health Algorithm Scientist

AI/ML SpO₂ 8 yrs

Hardware Design

PCB layout, sensor integration, antenna design, and power management for ultra-low-power wearable SoCs.

Firmware & App SDK

Custom RTOS firmware, BLE 5.0/5.3 stack, iOS/Android SDK, and cloud data API for brand integration.

Health Algorithms

Proprietary ECG, SpO₂, stress, sleep staging, and fall detection algorithms validated against clinical benchmarks.

4,000 m² · Shenzhen

World-Class Manufacturing Facility

Every product that leaves our facility has passed through rigorous quality checkpoints -- from raw material inspection to final shipping validation.

SMT automated production line in ChronoWell factory
SMT Production Line

Fully Automated Surface Mount Technology

High-speed pick-and-place machines with 99.98% placement accuracy

Clean-room assembly area for smart watch components
Clean Room

ISO Class 7 Assembly

Quality testing lab with precision instruments
QA Lab

Precision Testing & Validation

Warehouse and logistics area for global shipping
Logistics

Global Shipping Hub

R&D laboratory with engineers working on new designs
R&D Center

Innovation Lab

6 SMT Lines

High-speed automated assembly

100% AOI

Automated optical inspection

50K Units/Day

Peak production capacity

ISO 9001:2015

Certified quality system

Worldwide Presence

Powering Brands Across 9+ Countries

From Silicon Valley startups to European retail chains -- our products reach health-conscious consumers worldwide.

World map showing ChronoWell export countries

Global Export Markets

United States

Largest Market

CA

Canada

North America

BR

Brazil

South America

MX

Mexico

Latin America

NL

Netherlands

Europe Hub

FR

France

Europe

IN

India

South Asia

KR

South Korea

East Asia

AE

Dubai / UAE

Middle East

+

Expanding

More regions soon

Who We Serve

Brand Owners

Smart wearable brands seeking reliable OEM/ODM manufacturing with custom firmware and branding.

Wholesalers

Distributors and wholesalers sourcing quality smart watches and bracelets at competitive bulk pricing.

Software Developers

App developers and health platform companies needing hardware with open SDK and cloud data integration.

Sports & Fitness

Sports brands, gyms, and fitness platforms seeking co-branded wearables for athlete performance tracking.

Get in Touch

Let's Build Something Together

Whether you need a product quote, custom OEM solution, or just want to explore possibilities -- our team responds within 24 hours.

Factory Address

No.54-6,Guanluan Road,Xinhe Community,Fucheng Street,Longhua District,
Shenzhen, Guangdong, China 518110

Phone / WhatsApp

+86 13510726758

Mon-Fri, 9:00 AM - 6:00 PM CST

Response Time

Within 24 hours for all inquiries

Sample orders processed in 3-5 business days

Send an Inquiry

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