South West Industrial Plastics (SWIP) is a leading Western Australian provider of industrial plastic fabrication, HDPE piping systems, and dam lining solutions across mining, civil, construction, and agricultural sectors. Established in 1997 as a division of RTW Steel Fabrication, we’ve earned a reputation for delivering safe, efficient, and quality-assured results through ISO-certified systems and expert craftsmanship. From custom workshop fabrication to large-scale infrastructure projects, we offer end-to-end support—covering design, installation, testing, and project management. With decades of experience and an unwavering commitment to innovation and environmental responsibility, SWIP ensures long-term reliability and value across every job. Our team is on hand 24/7 to support planned works, maintenance, and urgent repair services.