Profile: Queen City Plastics, Inc. is engaged in the production of PVC conduits. Our product line includes pipes, fittings, couplings and elbows. Schedule 80 pipe with a heavy wall is mainly used in applications where severe physical conditions may exist, such as risers and heavy industrial applications. Our fittings include couplings, slip couplings, degree angle couplings, box adapter, rectangular cover, and long end bell.