Injection Mold and Tooling Builder Skyline Plastic Systems, Inc. is a full service custom injection molder dedicated to quality products and on time delivery. Skyline Plastic can assist you from product design, material selection, prototype tooling, production tooling and production. Our in-house tooling capabilities allow us to maintain, refurbish, and make engineering changes in a timely matter. This can save the customer the cost of shipping and time with no third-party involvement. Skyline Plastic Systems, Inc. was established in 1990 as an injection mold and tooling builder. In 1997, Skyline constructed our present 12,000 square foot facility and started our molding division in Mills River, North Carolina. Skyline Plastic is a full service custom injection molding company serving the automotive, electronics, HVAC, horticultural, special needs children’s and outdoor recreation sports industries.