<span style="color: #222222;">Chinese President Xi Jinping will be on a two-day visit to North Korea from tomorrow at the invitation of Kim Jong Un. Xi who will be the first Chinese president to visit Pyongyang in 14 years, penned a rare front-page opinion piece in North Korea's official newspaper, touting the two country's irreplaceable bond on the eve of this two-day trip. <br />''<br />''In the op-ed piece in the Rodong Sinmun, the official mouthpiece of the North's ruling Workers' Party, Xi said, Beijing was willing to draw up a grand plan with Pyongyang to achieve permanent stability in East Asia. </span>