The Silk Road may have formally opened up trade between the Far East and Europe during the Han Dynasty, which ruled China from 206 B.C. to 220 A.D. The Chinese also exported and sold teas, salt, sugar, porcelain, and spices. Most of what was traded were expensive luxury goods. This was because it was a long trip and merchants didn't have a lot of room for goods. They imported, or bought, goods like cotton, ivory, wool, gold, and silver.