- Building power grid and 35KV substation, land clearance.

- Providing civil, industrial, and irrigation construction.

- Manufacturing and trading handicraft products.

- Trading electric equipments.

- Trading food, seefood, forestry products and agriculture fertilizers.

- Manufacturing plastic goods, mechanical engineering exports.

- Trading industrial garment export, phones, office equipments, printing chemicals.

- Office, factory, warehousing for lease.

- Mechanical construction equipments for lease.

- November 10, 2003: Thuan Hung Joint Stock Company was established in 2003 with an initial charter capital of VND2.1 billion;

- October 20, 2009: Increased the charter capital to VND12 billion;

- November 10, 2009: Increased the charter capital to VND12 billion;

- February 10, 2010: Renamed as Thien Truong Power Equipment Investment and Construction Joint Stock Company with a charter capital increased to VND25 billion;

- October 28, 2010: Listed and Traded on Hanoi Stock Exchange (HNX);

- October 07, 2011: Increased the charter capital up to VND28.75 billion;

- 2014: Increased the charter capital up to VND29.55 billion;

- November 30, 2020: Changed company's name to "KTT Investment Group Joint Stock Company".