GENEVA (Reuters) – China and Switzerland signed a joint declaration on Monday agreeing to deepen their partnership after Premier Li Qiang met the Swiss President, the Swiss government said. Li, the most senior Chinese official to visit Switzerland since President Xi Jinping’s visit in 2017, met President Viola Amherd alongside a high-ranking Chinese delegation ahead of the World Economic Forum in Davos. The declaration entails the finalisation of a joint study to develop the two countries’ existing free trade agreement. “This marks an important step towards the start of possible negotiations,”…