Six world powers, including the United States, Russia, Britain, France, Germany and China, will meet in New York this week to discuss the Iran nuclear issue. Chinese Foreign Ministry spokeswoman Jiang Yu today said the countries will discuss ways to solve the issue through a diplomatic manner, and discuss suggestions offered by concerned parties. In a regualr press briefing, Jiang said China always maintained that dialogue and negotiation were the best way to solve the Iran nuclear issue. Jiang hoped that all concerned parties will make utmost efforts to achieve this goal.