The money would be used for developing technology and expanding operations, EcoTruck said in a statement.
The startup, established in 2017, helps transport companies manage their vehicles using technology.
It has 300 partners with 9,000 vehicles who serve 500 customers, operating both within the country and across borders.
Last year, it had raised over VND100 billion ($4.3 million), with Internet and technology giant VNG Corporation being the main investor, and $1.7 million in 2018.