About XO

Brand Ownership & Manufacturing Architecture
XO is a global premium brand in mobile phone accessories and smart digital peripherals, operating under a transparent and structured quality management system to ensure global compliance, superior design, and product excellence.

Brand Governance & Supervision

Company Name: Three Key Industrial (HK) Co., Limited
Role: Brand Owner & Global Brand Supervisor
Core Responsibilities: Oversees XO brand governance, international intellectual property licensing, quality standards, and compliance across global markets to maintain XO’s international reputation.

Designated Manufacturing & Operations Hub

Company Name: Sanqi Youpin (Shenzhen) Co., Ltd.
Role: Exclusive Manufacturer & Supply Chain Center
Core Responsibilities: Located in Shenzhen, China, this entity manages full-scale direct manufacturing, custom OEM/ODM production, product R&D, rigorous quality assurance (QA/QC), warehousing, and global order fulfillment.

By unifying rigorous Hong Kong brand supervision with Shenzhen's advanced manufacturing capabilities, XO delivers reliable, innovative, and high-performance mobile accessories to clients worldwide.



Growth Tineline 

Entered the digital accessories industry and  Established (2013) ---

Launched first flagship product (2015)---

Expanded to 5 key
markets (2016)---

Reached 10M+ Units annual shipments (2017)---

Achieved 20+ product categories(2018)---

Began global
expansion(2019)---

Entered e-commerce platforms.Crew sales by 50% during the pandemic (2020)---

Added Al-POWERED smart
solutions(2021)---

Partnered with FORTUNE 500 COMPANIES.Recognized with 5 international DESIGN AWARDS(2022)---

Established 20+ global experience stores(2023)---

Expanded to 80 countries(2024)---





Implementation of XO activities