GTR Associates represents best in class manufacturers both domestic and overseas in plastic injection molding (insert, multi-shot) stampings (4-slide and progressive dies) prototypes (castings in 5-10 business days in aluminum, zinc, steel and iron; plastic parts from production grade resins in 2-4 weeks) machining (gears - hobbed; shafts, splines and drive train and transmission components) the machining company also provides aluminum diecasting and machining to complement the drive train and transmission machining, rivets and speed riveting systems. We look forward to working with you.