Complex sentence: Dumping involves a country producing highly excessive amounts of goods and "dumping" the goods on another country prices that are "too low", for example, pricing the good lower in the export market than in the domestic market of the country of origin.
Split into simpler sentences: Dumping involves a country producing highly excessive amounts of goods and "dumping" the goods on another country prices that are "too low". Too low can refer to either pricing the good from the foreign market at a price lower than charged in the domestic market of the country of origin.