[2][7] Wee Bin, through his firm, carried on business as merchants and shipowners.

[1] At first, he began business relations with various trading houses in Bali (then part of the Dutch Indies), and eventually became the greatest importer of products from that port.

With increasing interest in the tin mining industry and the need for more and more people to work the mines, Wee Bin was also responsible for carrying migrant workers from China to work in the Straits Settlements.

[8] Wee Bin married the daughter of Kiong Kong Tuan.

He died in 1868 at the age of 45, leaving an only son, Wee Boon Teck, and an only daughter.