Vireen Ltd. collects and recycles the perished farm animals and the animal by-products of the meat industry in Estonia. The burial in Hiiu County is set up for providing better service to the holders of the animal by-products in Hiiu County. During the recycling process the animal by-products are sterilized under high pressure and continuously heated at an internal temperature of 133 ºC under an absolute pressure of 3 bars.

Vireen Ltd. bases its functioning on innovative ideas and implements modern technologies that meet all necessary social, environmental and financial criteria.