Hills Plastic Home ›› Local Listings ›› NSW ›› Castle Hill ›› Hills Plastic NSW Miscellaneous Castle Hill, NSW 2154 Helda Caspar0296599565https://www.hillsplastic.com.au Hills Plastic is a plastic supply and custom plastic fabrication business which has been in operation for over 30 years servicing client needs, the kind of experience and know-how to make your plastic project a success. It is our mission to provide our customers with a quality products and competitive prices. Conveniently located in the Hills District of Sydney close to the M2 motorway for easy access. Trading days are Monday to Friday and half day Saturday.