The innovation in freezing technology, known as cryogenics, instantly locks in freshness, juiciness and flavor. It also preserves the product for storage in the frozen state for extended periods. This provides great value to the rapidly expanding quick service restaurant industry. 1970's With the success of the frozen hamburger, and ever-increasing production demands, Equity Meat Corporation is established in Pennsylvania. 50 million lbs.
Restaurants receive their entire delivery from one truck.
From frozen, to refrigerated, to dry goods, the restaurants can schedule only one delivery. The volume buying and delivery efficiencies allow the restaurants to reduce costs and better concentrate on servicing their customers. Pioneered by Keystone, mass-produced, boneless, chicken nuggets are another first in the food industry. In 1987 Keystone opens a Corporate Lab to provide chemical and microbial testing support to its manufacturing facilities. Keystone expands into international markets when it opens operations in France and Malaysia.