Tata Motors is considering setting up an assembly unit in South Africa for medium and small trucks by the first quarter of next year to boost sales in African markets such as Zambia, Nigeria and Ghana. The initial capacity will be 3,000 units, which will later scale up to 4,500 units, he said. At present, the company is exporting close to 3,000 units to South Africa. In 1994, Tata Group set up Tata Africa Holdings in Johannesburg. Later in 2006, it acquired a manufacturing plant of Japanese auto major Nissan in South Africa. South Africa is an integral market for Tata Motors and has charted out a five-year growth plan. The company also disclosed it plans to set up an assembly plant in Nigeria in the next two to three years. Tata Motors currently has plants in Thailand , Bangladesh , Spain, UK and South Korea.