China's state-owned railway construction company has begun work on a $5 billion aircraft maintenance complex in the UAE, the world's largest of its kind, despite regional security concerns from Iran tensions.

South China Morning Post

Despite instability in the Middle East, China Railway Construction Corporation (CRCC) has begun building the world’s largest aircraft maintenance complex in the United Arab Emirates, underscoring China’s growing dominance in overseas infrastructure.
The project, worth more than US$5 billion and one of the largest construction deals a Chinese builder has secured in the region, will comprise eight large maintenance hangars for aircraft storage, covering about 1.21 million square metres (13 million