Full service, custom aluminum extruder and parent company to Win-Vent windows and Waterglide/Legend shower doors.Welcome to Poli-Tron, Inc. We are a leading manufacturer of livestock feeding equipment, water garden products, resin picnic tables, and the designing and manufacturing of wood products. The Company was incorporated in 1974 and is headquartered in Pittsburg, Kansas. Company Profile We are capable of providing services from any of our Plastics, Metal, or Wood manufacturing sites. We have the unique capability to provide and support projects that combine any of these three operations.