Davos, Switzerland (CNN Business) China has a message for the Davos crowd: Fear about an economic slowdown is overblown.

In a speech at the World Economic Forum, Vice President Wang Qishan said that growth remains substantial, and that it's important for China to focus on the long term.

"There will be a lot of uncertainties in 2019, but something that is certain is that China's growth will continue and will be sustainable," he said Wednesday.

Earlier this week, China reported that its economy grew 6.6% in 2018, the slowest pace in almost three decades.

Activity has been hit by government efforts to rein in high levels of debt with the aim of putting the vast economy on more stable footing. Momentum has also been blunted by the trade war with the United States, which has led to tariffs on hundreds of billions of dollars in Chinese exports.

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