Remarkable progress has been made in petroleum refining industry in China during the past fifty years.Not only refining capacity ranks the second place in the world

but also refining technology has basically attained the world advanced level.In the path of continual progress of petroleum refining technology

domestic innovations played an important role.Some important refining processes

such as fluid catalytic cracking

hydrocracking and hydrotreating

catalytic reforming

delayed coking since the sixties in the last century are reviewed.Some valuable experiences and recommendations are presented.