The race for China’s provincial economy crown has turned red hot, with Jiangsu closing the gap with Guangdong through tech-driven growth.Jiangsu’s gross domestic product (GDP) now stands at 97.44 per cent of Guangdong’s, with the distance between the two provinces narrowing to 175.76 billion yuan (US$24.5 billion) in the first half of 2025 – compared to 191.62 billion yuan for the same period last year, according to data released by provincial authorities.That marks the closest margin in...