South Korean e-commerce platform Coupang, a unit of Coupang USA, Inc., is receiving a $2 billion investment from SoftBank Vision Fund, a vehicle of Japanese internet to investment company.

The $2 billion investment will be used by Coupang to invest in more technology platforms that enable innovation.

The latest funding follows the $1 billion that SoftBank injected in Coupang in 2015 and values Coupang at about $9 billion.

Coupang said that its revenue has doubled in the past year and is now approaching $5 billion in 2018. The company has raised a total of $3.4 billion in over 7 funding rounds.