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About Us
Company Introduction

Sumeway-digital Groups, Shenzhenshi Tongzhongdao Electronics Co., Ltd. is a privately-owned enterprise specializing in the independent R&D and manufacturing of innovative consumer electronics, including 3C gadgets, smart wearable devices, AI/AR wearable devices, Bluetooth audio, outdoor imaging products, and LED peripherals.

With factories in Guangdong Province and Guangxi Province, office in Shenzhen city, we operate mold production facilities, plastic injection workshops, and assembly plants spanning over 10,000+ square meters. Our production capabilities include 10+ automated injection molding machines, 6 assembly lines, and a workforce of 200+ skilled employees.

With 15+ years of expertise in 3C consumer electronics and audio-visual products, we possess a natural advantage and extensive experience in product innovation, cost optimization, and customized development. Our monthly production capacity exceeds 250,000 units, primarily focusing on OEM/ODM services and wholesale-retail distribution partnerships.

We collaborate with brand owners and distributors worldwide, covering regions such as:

China (including Hong Kong, Macau, and Taiwan)

Americas: USA, Brazil, Mexico

Europe: Germany, UK, France, Spain, Italy, Belgium, Netherlands, Czech Republic, Norway

Asia-Pacific: Japan, South Korea, Australia, Russia

E-commerce Platforms: Amazon Global, Tmall, JD.com, TEMU, eBay, Shopee, Lazada

Recognized for high flexibility, fast service, stable quality, and strong innovation capabilities, we have earned consistent praise from brand partners and maintained long-term collaborations.

Our Philosophy:

Innovation as our foundation

Quality as our priority

Cost optimization as our commitment to partnership

We welcome channel partners and clients to visit our facilities for guidance and cooperation!


  • 10000+
    Total area
  • 200+
    Number of employees
  • 10+
    Automated injection molding machines
  • 6+
    Production assembly line
Quality testing
Quality testing
Detection
Detection
Detection
Detection
Material Warehouse
Material Warehouse
Office
Office
Assembly workshop
Assembly workshop
Qualification Honor
资质荣誉
With 15+ years of expertise in 3C consumer electronics and audio-visual products, we possess a natural advantage and extensive experience in product innovation, cost optimization, and customized development.
Certificate of honor
Certificate of honor