1997

▲October 20, 1997, through the "no leak factory" acceptance.

▲In May 9, 1997, the catalytic cracking automatic control system DCS through the provincial evaluation and began to install.

▲October 1, 1997, 70 thousand tons / year of heavy oil catalytic cracking project a successful test.

▲October 20, 1997, once through the Shandong Province, no leak factory acceptance.