The construction agreement was mutually signed on August 10, 1964 with the effective date on December 8, 1964.

[2][3] After the establishment of PT Pupuk Sriwidjaja located in Palembang in 1959, the government also facilitated the construction of other fertilizer factories.

The forerunner of PT Petrokimia Gresik since 1956 through the State Design Bureau (Biro Perancang Negara - BPN).

At first, the fertilizer plant built in East Java was called 'Surabaja Petrochemical Project'.

II of 1960 which was listed as a Priority Project in the Pattern of National Development Planning for Phase I (1961-1969) and confirmed by Decree of the President of the Republic of Indonesia No.