Schrier Plastics Corporation - Services Design Schrier Plastics specializes in working around concepts and finding the right material, form and function. Machining Schrier... Plastics offers close tolerence machining of all plastic materials with the capacity of three cnc routers Forming Schrier Plastics offers double sided line bending, sheet heating, oven... forming and vacuum forming Welding Schrier Plastics offers solvent welding, hot air welding, and injection welding Polishing Schrier Plastics offers both flame polishing and buffing. ...