China remains the world leader in smartwatch manufacturing, offering unparalleled innovation, scalability, and customization. As someone who has worked with factories and suppliers across Shenzhen and beyond, I’ve personally explored many of these manufacturers and understand what makes a reliable partner for your business.
In this article, I’ll walk you through 10 of the best smartwatch manufacturers in China, especially focusing on those offering strong OEM and ODM capabilities. Whether you’re launching a new smartwatch brand or scaling your product line, these companies offer the solutions you need.
To help you make the right decision, here’s my curated list of the top options available today.
Huawei Consumer Business Group
- Location: Shenzhen
- Company type: Brand Manufacturer
- Year founded: 1987 (Smartwatch division active since 2015)
- Employees: 194,000+
- Main product: Huawei Watch Series
- Other products: Smartphones, tablets, fitness trackers
- Why It’s on This List:
Huawei is a global tech giant producing high-end smartwatch1es with proprietary HarmonyOS, health tracking2, and premium design. While primarily a brand manufacturer, Huawei collaborates with select enterprise partners for technology licensing and wearable ecosystem integration.
Shenzhen DO Intelligent Technology Co., Ltd.
- Location: Shenzhen
- Company type: OEM & ODM3
- Year founded: 2011
- Employees: 300+
- Main product: Smartwatch
- Other products: Smart bands
- Why It’s on This List:
DO Intelligent specializes in low-MOQ smartwatch1es that can be fully customized. They have CE, RoHS, and FCC certifications and supply to health, fitness, and lifestyle brands.
Shenzhen KingWear Intelligent Technology Co., Ltd.
[^1] manufacturer](https://www.iwosmartwatch.com/wp-content/uploads/2025/05/kingwear.jpg)
- Location: Shenzhen
- Company type: OEM, ODM
- Year founded: 2012
- Employees: 400+
- Main product: Watchphones and sports smartwatch1es
- Other products: Bluetooth wearables
- Why It’s on This List:
KingWear is best known for high-performance 4G Android-based smartwatch1es and wearable devices with strong R&D support.
Mobvoi Information Technology Company Limited
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- Location: Beijing
- Company type: Brand Manufacturer with ODM capacity
- Year founded: 2012
- Employees: 500+
- Main product: TicWatch smartwatch1es
- Other products: Smart earbuds, AI voice solutions
- Why It’s on This List:
Mobvoi combines AI innovation with hardware design, producing premium smartwatch1es under the TicWatch brand. With in-house voice recognition and Wear OS integration, they’re ideal for brands targeting advanced smartwatch1 functions or co-branding partnerships.
Linwear Smart Electronics
- Location: Dongguan
- Company type: OEM, ODM
- Year founded: 2010
- Employees: 200+
- Main product: Android-based smartwatch1es
- Other products: Kids watches, rugged watches
- Why It’s on This List:
Linwear offers affordable watch customization and is a favorite among startup brands that want flexibility with design and MOQ.
Shenzhen Microwear Intelligent Electronics
- Location: Shenzhen
- Company type: OEM, ODM
- Year founded: 2015
- Employees: 150+
- Main product: Sports and hybrid smartwatch1es
- Other products: Fitness bands
- Why It’s on This List:
Known for responsive after-sales service and rapid firmware updates, Microwear is popular with resellers targeting younger consumers.
Shenzhen Colmi Technology Co., Ltd.
- Location: Shenzhen
- Company type: OEM
- Year founded: 2012
- Employees: 200
- Main product: Budget smartwatches
- Other products: Bluetooth headphones
- Why It’s on This List:
Colmi’s value-driven smartwatch lineup is ideal for high-margin private label businesses. Great for clients who need fast delivery and stable models.
Lemfo Smartwatch Co., Ltd.
- Location: Shenzhen
- Company type: OEM, ODM
- Year founded: 2011
- Employees: 300
- Main product: Android smartwatches
- Other products: Earbuds, accessories
- Why It’s on This List:
Lemfo has strong international visibility, particularly on e-commerce platforms. They specialize in Android-powered standalone smartwatches.
Shenzhen Wonlex Technology Co., Ltd.
- Location: Shenzhen
- Company type: OEM, ODM
- Year founded: 2009
- Employees: 300+
- Main product: Kids smartwatches
- Other products: GPS trackers, elder care wearables
- Why It’s on This List:
Wonlex is a leading manufacturer of GPS-enabled kids smartwatches with robust parental control features. Their devices meet EU safety standards and are widely used in the education and family tech sectors. They offer both OEM and ODM services with flexible MOQ and multilingual app support.
IWOSmartwatch (Shenzhen)
- Location: Shenzhen, China
- Company type: OEM & ODM3 Manufacturer
- Year founded: 2016
- Number of employees: 500
- Main product: Smartwatch
- Other products: Smart ring, fitness tracker
- Why IWOSmartwatch Is on This List:
IWO Smartwatch offers highly customizable solutions with advanced waterproofing, GPS, and chipset integration—ideal for brands in health tech, outdoor gear, and innovative consumer electronics.
Professional Outdoor Smartwatch:
This category is designed for extreme environments and demanding field operations, such as outdoor adventure, tactical deployment, marine navigation, rescue coordination, and remote exploration.
To ensure accurate positioning and reliable performance, IWO integrates high-precision GPS modules with offline map capabilities, enabling real-time tracking even in no-network environments. For emergency use cases, optional satellite SOS modules can be integrated to support field rescue and critical alert systems.
With rugged structural engineering, each device meets up to 10ATM waterproof standards—ideal for diving, snow operations, or high-humidity zones. The exterior is reinforced with military-grade sealing and shock resistance.
IWO offers full customization from chipset selection (including support for RTL and Apollo) to embedded firmware, sensor tuning, and thermal calibration. The product supports extended battery life and high-altitude operation.
IWO’s R&D team includes senior engineers in ID design, mechanical structure, app development, Bluetooth gateway, and embedded systems. We also provide SDK/API integration for Android and iOS, enabling seamless platform connectivity.
This series is best suited for brands and system integrators in outdoor gear, military technology, extreme sports, and industrial IoT solutions.
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Conclusion
Finding the right smartwatch1 manufacturer is crucial for your brand’s success. Whether you need end-to-end ODM design or fast OEM customization, these top 10 Chinese manufacturers offer a reliable path to market.
To recap, IWOSmartwatch leads the pack with comprehensive solutions and proven global success. Use this list to compare your options and take the next step with confidence.
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Explore this link to discover leading smartwatch manufacturers in China, their offerings, and how they can help your brand succeed. ↩ ↩ ↩ ↩ ↩ ↩ ↩ ↩ ↩ ↩
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Health tracking is a key feature in modern smartwatches. This resource will provide insights into how it functions and its benefits for users. ↩
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Understanding OEM & ODM is crucial for brands looking to customize smartwatches. This link will clarify these terms and their significance in manufacturing. ↩ ↩
