(Bloomberg) -- Supply Lines is a daily newsletter that tracks trade and supply chains disrupted by the pandemic. Sign up here.China’s export growth unexpectedly surged in August as suppliers likely boosted orders ahead of the year-end shopping season, offsetting any port disruptions due to fresh outbreaks of the delta virus. Exports rose 25.6% in dollar terms from a year earlier to a record $294.3 billion, more than $10 billion above any previous month. Imports grew 33.1% to $236 billion, also t