Complex sentence: Lianyungang Economic & Technological Development Zone (LETDZ) was approved by the State Council as one of the first batch of state-level development zones in December 1984 and it is located in the eastern new seashore urban area of Liangyungang City.
Split into simpler sentences: Lianyungang Economic & Technological Development Zone (LETDZ) was approved by the State Council as one of the first batch of state-level development zones in December 1984. It is in the eastern new seashore urban area of Liangyungang City.