Police said they received a 911 call from the company about the accident at 9:43 a.m. today, and when officers arrived at the facility, located at 888 92nd Ave., the man wasn't breathing.
The Oakland Fire Department and Paramedics Plus responded and pronounced the man dead, police said.
Police said Cal/OSHA is investigating the accident.
According to its website, Super Link Plastics was founded in 1993 "with a vision of increasing the value of recyclable scrap."
Its mission is "to become a leading innovative waste solutions company in the United States," and the company claims to recycle an average of 80 million pounds of waste a year.
Its customers include public companies, medium and large private companies, small businesses, government, health care businesses and colleges and universities, according to the website.
A Cal/OSHA representative was not immediately available for comment.