I have only just come across these and they seem like an interesting new technology.
CO2 Fresh-Pads from a company called JF Food Brokers
They help extend shelf life by releasing CO2 in a controlled manner which displaces oxygen to suppress bacterial growth. According to the company’s web site texture, colour and freshness is retained in perishable meat products and can also be used for seafood, flowers and other produce.
Check it out they may just be for you in your factory.
FoodWorld 