1997
鈻睴ctober 20, 1997, through the "no leak factory" acceptance.
鈻睮n May 9, 1997, the catalytic cracking automatic control system DCS through the provincial evaluation and began to install.
鈻睴ctober 1, 1997, 70 thousand tons / year of heavy oil catalytic cracking project a successful test.
鈻睴ctober 20, 1997, once through the Shandong Province, no leak factory acceptance.