The Belt and Road Energy Ministerial Conference, held in east China's Suzhou city, Oct. 18, 2018.

China and over 10 Belt and Road countries Thursday pledged to build a cooperative partnership on energy to inject new impetus to energy development of various countries.

The pledge was made in a joint declaration announced at the Belt and Road Energy Ministerial Conference, which was held in east China's Suzhou city.Chinese President Xi Jinping sent a congratulatory letter to the conference.

The Belt and Road Initiative has been widely recognized and actively participated by the international community since it was proposed five years ago, with fruitful results achieved, Xi said in the letter.

"We are willing to work with all parties to continue joint efforts and stick to the principle of achieving shared growth through discussion and collaboration, to make in-depth and solid progress in Belt and Road cooperation and better benefit people of all countries," he said.

Xi stressed that energy cooperation has been a key field in jointly building the Belt and Road.

He said China is ready to work with other countries to strengthen energy cooperation within the framework of joint construction of Belt and Road, create favorable conditions for common development, jointly contribute to the sustainable development of global energy and safeguard world energy security.

Xi called for in-depth discussions and consensus during the conference on major issues such as deepening international energy cooperation and promoting global energy transition, to facilitate the establishment of the Belt and Road energy cooperative partnership that can contribute to the building of a community with a shared future for humanity.

Energy cooperation has been a key field in jointly building the Belt and Road. Since the initiative was proposed five years ago, a set of energy projects have been successfully launched, bringing great social and economic benefits.

To promote the utilization of clean, safe and efficient energy has become a common task worldwide.

Participants at the meeting also said that countries need to tap potentials for energy cooperation, solve problems in green energy development, speed up global energy transition, and jointly promote high-quality development of green energy.