Joe Brock for Reuters »

Known as EMA (Europe-Middle East-Asia), the proposed cable would link Hong Kong to China’s island province of Hainan, before snaking its way to Singapore, Pakistan, Saudi Arabia, Egypt and France, the four people said. They asked not to be named because they were not allowed to discuss potential trade secrets.

The cable, which would cost approximately $500 million to complete, would be manufactured and laid by China’s HMN Technologies Co Ltd, a fast-growing cable firm whose predecessor company was majority-owned by Chinese telecom giant Huawei Technologies Co Ltd, the people said.