Injection Moulding Plastic Manufacturer, Mars Plastics brings reliable, economic, and versatile Plastic Injection Molding services with impeccable customer service. Mars Plastics is one of the largest plastic injection molders on the east coast with 24/7 Operation of their 100,000 sq ft plastic manufacturing facility located in the USA. State-of-the-art in-house injection moulding as well as product finishing & assembly, gas assist molding & in-house tooling design and machining. Robotic technology and high quality equipment deliver production quality, speed and consistency.