"China congratulates Pakistan for its military parade. We hope for full success of the parade," Chinese Foreign Ministry spokesman Hong Lei said.
"China-Pakistan relations are tested through time. We are now all weather friends to each other. We have shown high level of mutual understanding and support to each other and have come through ups and downs together with each other," Hong said.
Early this year, speculation was rife that Xi would pay his first visit to Pakistan and take part in the military parade held after seven years.
Islamabad extended an invitation to Xi soon after US President Barack Obama paid a high-profile to India to attend its Republic Day celebrations.
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As the Chinese officials weighed down the security considerations for Xi.
Foreign Minister Wang Yi visited Islamabad last month during which he inaugurated China's biggest embassy abroad.
"It will be the first visit paid by a Chinese leader to Pakistan in nine years. We hope that through this visit the all weather friendliness between the two countries can be further enhanced," he said.
Xi's visit to Pakistan had been due since September when he undertook his first visit to the Maldives, Sri Lanka and India.
The Chinese president had to cancel his Pakistan visit due to political turmoil in Islamabad.
It was the first time that a Chinese leader put off a visit to Pakistan.