求翻译：济南达利食品有限公司于2001年5月落户济阳县，初期投资9000万元，占地100亩。截至目前，该公司已四次追加投资建设，占地465亩，现有员工3000余人，总投资达到7.8亿元。主要生产派类糕点食品、薯片、饼干、饮料等四大产品系列共500多个品种。是什么意思？

Jinan Dalli foods limited in May 2001, settling in jiyang County, initial investment of $ 90 million, covering 100 acres. As of now, the company has four additional investment building, covering 465 acres, the existing staff of more than 3,000 people, the total investment reached $ 780 million. Main production type of pastry food, potato chips, cookies, beverage, the four product families a total of more than 500 varieties.