Answer:
China
Step-by-step explanation:
It was from CHINA, Arabia gets materials such as silk and porcelain.
This is evident in the fact that China was majorly the exporter of Silk and Procelian as far back during the Han and Ming Dynasties beginning around 130 BC. And during this period till the collapse of the silk road, various parts of the world including Europe and Arabia land traded with China on Silk and Porcelain.