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SL Terratech Sdn Bhd is a subsidiary of Seng Liy Holdings, established to manufacture high-quality green building materials under the NOWA brand. With sustainability at its core, SL Terratech integrates advanced recycling technology, responsible sourcing, and precision manufacturing to produce durable and eco-conscious construction materials that support the circular economy.
From raw material to finished products, SL Terratech champions sustainable production practices that minimise waste, reduce the carbon footprint, and redefine the future of green construction.
SL Terratech specialises in PVC extrusion for architectural profiles. Our in-house engineering and tooling capabilities allow precise shaping, consistent dimensions, and efficient mass production. Through continuous R&D, we optimise extrusion techniques to enhance product strength and recyclability, making each profile a reliable, sustainable solution for the construction industry.
In addition to our NOWA product range, SL Terratech provides PVC extrusion services for external brands and industrial partners, delivering tailored profiles and specifications to meet diverse project needs. From material formulation and product development to mould design, production, and packaging, we ensure high-quality, precise, and reliable solutions that align with your project requirements and industry standards.
SL Terratech brings together expertise, innovation, and environmental responsibility to deliver high-performance materials trusted across industries.

Driven by a closed-loop manufacturing approach that transforms industrial waste and post-consumer plastics into durable construction materials.

Equipped with automated recycling, precision extrusion, and quality control systems that ensure consistent strength and performance.

Adaptable production capacity to accommodate large-scale orders and customized OEM/ODM projects with efficiency and reliability.

As part of Seng Liy Holdings, SL Terratech combines decades of material innovation with a strong commitment to ESG values, empowering partners to build greener and smarter.