Since the end of 2012, the DHQCZ has been shouldering the key Project of Zhuhai, to management and maintenance of the Utility tunnel of Hengqin New Area,  is widely admired. It is worth mentioning that the company is responsible for the preparation of , which gets the approval of Hengqin New Area and is popularized over the nation-wide. And the , written by DHQ and awarded of the Ministry of Housing and Rural Construction Commission, has been adopted.

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