"SINEM" Ltd. (the company behind the Sisi Pellets brand) was founded and registered in Bulgaria in 2007, starting its activity with food products - wholesale and retail trade. Later in 2012 the company began to deal with the mining and trading of timber and firewood and later expanded its activities into wood processing of timber and the production of pallets and pellets.

The headquarters of the company is located in the town of Varbitsa, Shumen district, at the foot of one of the largest mountains in Bulgaria - Stara planina, where it is in close proximity to raw materials. The company has a serious capacity in logging, wood processing and in the production of pallets and pellets, the flexibility of production, offers an individual approach to all customers, a competitive price and high quality through the processing and production of its harvested wood from well-managed and certified forests.