What were goods transported in the grand canal?

The Grand Canal, a vital waterway in China, facilitated the transport of various goods, including rice, silk, tea, and other agricultural products from the fertile southern regions to the northern cities, particularly Beijing. It also enabled the movement of salt, which was a crucial preservative and trade commodity. Additionally, the canal supported the transport of timber and other raw materials, contributing significantly to economic development and cultural exchange across the regions it connected.