Technologies (Recycling Tech). The Plastics service line includes all activities in relation to the sale of plastic products and their associated items. This includes the sale of plastic degradable additives, finished goods, non-degradable products and d2Detectors. The Recycling Technologies segment includes all activities involved in the development of tire and rubber recycling systems. the Company’ s subsidiaries include Symphony Environmental Limited, which is engaged in supply of environmental polyolefin products and ancillaries and Symphony Recycling Technologies Limited, which is engaged in the development of recycling systems.