In Zheng He's time, Xianluo (Siam, present-day Thailand) was a treasure trove of ruby and sapphire jewelery; jade, gold, and silver ornaments. Even more breathtaking were the diamonds, exquisitely carved by master artisans. On each occasion that he visited Siam, Zheng He traded Chinese silks, porcelain, and other specialties for these precious items. Chinese porcelain enriched and beautified the lives of the people of Siam, while