Profile: Piper Plastics, Inc. is a source for precision machined plastic parts and assemblies. We provide material selection and engineering & design assistance services. Our state-of-the-art fabrication and assembly techniques include ultrasonic welding, fusion welding, ultrasonic insertion of metal inserts, hot air welding, chemical bonding and thermal diffusion bonding of plastic materials. We serve several industries including semiconductor, medical, food processing, packaging, aerospace and defense.