He also participated in smuggling basic goods and traded with Japanese merchants.

Japanese merchants often had to resort to piracy in order to obtain much sought after Chinese products such as silk and porcelain.

Kamiya Jutei, a Japanese merchant, started the mine in 1526.

And in the 12th century, the Japanese merchants began sailing to China with the same purpose.

Japanese merchants were at ease with the natives in the region.

Japanese merchants shared this lowly status with their counterparts in China.

War related deaths of Japanese merchant marine personnel were 27,000.

Local high quality silk was also one of the primary trade for Japanese merchants, who often purchase whole batches months prior to their annual arrival.

But the soroban was not widely used until the 17th century, although it was in use by Japanese merchants since its introduction.

As a result of the treaty, Japanese merchants came to Busan, which became a center for foreign trade and commerce.