Shenzhen-based X Square Robot has closed a massive $276 million Series B funding round led by Xiaomi and Sequoia China (HongShan).
The deal pushes the company total funding past $700 million - a staggering figure for a startup founded just 16 months prior in December 2023.
This round cements X Square position as the only domestic embodied AI company backed by all four of China tech titans: ByteDance, Alibaba, Meituan, and now Xiaomi.
WALL-A Foundation Model
At the core of X Square technology is WALL-A, a vision-language-action (VLA) foundation model. WALL-A enables robots to handle tasks they have never been trained on - known as zero-shot generalization.
Product Lineup
X Square launched two robot platforms: Quanta X1 and Quanta X2. The Quanta X2 is a full humanoid standing 172cm tall with 756mm arm reach, 6kg payload capacity, and 20-degree-of-freedom dexterous hands. The Quanta X2 is priced at approximately $80,000.
Market Context
Chinese firms shipped roughly 90% of the world humanoid robot units in 2025. China humanoid robot market is projected to surpass RMB 20 billion ($2.8B) by 2026.
