The Chinese strategy is plain and simple: 1. Took Aksai Chin way back in the previous century from Pakistan Occupied Kashmir and built a road linking the two countries. Now the western China has access to Pakistan. 2) Next has been the Gwadar port development. It is farther out from Karanchi and away from the line of Islamabad - Lahore - Karanchi segment which is very volatile. 3) As the port development builds there is a road to be connecting the port to the Aksai Chin corridor into China. 4) The next in line is an oil pipeline from Gwadar to Chinese hinterland via Aksai chin.
This infrastructure is going to give the Chinese following strategic advantages:
A. Presence in Arabian Sea flanking India. B. Give them access to oil from the Gulf of Hormuz being in proximity. C. They can develop other infrastrucutre in the name of support such as naval dockyard for ship building but allowing presence of Chinese Navy personnel in the vicinity. D. The last develpment can be the passage of the gas from Iran - Pakistan _ India pipeline to Iran - Pakistan - Chine instead and develop an alternate source fro the Iranian gas if India starts somethin down the years. E. With Gwadar the Chinese complete heencirclement of India with their proposed developments in Myanmar..( A pipeline already exists with road infrastructure on the anvil) A port development is bound to follow sooner or later. F. And the last is the the application filed by an Hong Long based Hutchinson