Custom Solutions Designed & Manufactured in Western Australia

Polyethylene tanks and custom moulding solutions for agriculture, mining, energy and industry.

Reliable, fit-for-purpose products.
Consistent manufacturing quality.
Responsive, local service.

Best Sellers

Agriculture
Agriculture
Mining
Mining
Energy
Energy
Industry
Industry

About Rota Moulding

Rota Moulding is a Western Australian manufacturer specialising in rotationally moulded polyethylene products for agriculture, mining, energy and industrial applications.

Based in Midvale, we produce durable, practical solutions designed to perform in harsh Australian conditions — from standard tanks through to custom moulded products.

Rota Moulding is owned and operated by Colby Hauser. With a background in executive and senior leadership roles across large-scale industrial and commercial environments, Colby brings a practical, performance-focused approach to running the business.

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Explore our Product Range

We manufacture a wide range of polyethylene tanks and products, supporting customers across the agriculture, mining, industrial, commercial, and OEM sectors. Our capabilities include both standard product supply and custom rotational moulding solutions, covering the full process from design and tooling through to production. We are focused on delivering reliable, fit-for-purpose products backed by consistent manufacturing quality and responsive local service.

Custom / Contract Moulding

Rota Moulding has over 40 years experience in custom moulding quality products for our clients in Perth, in WA and across Australia.

Rota Moulding can assist you in the design of the product and then manufacture the mould in our extensive metal workshop or arrange a cast mould to be made. We pride ourselves on producing the highest quality products at a competitive price with full confidentiality guaranteed.

Frequently Asked Questions

Rotational moulding is a manufacturing process used to produce hollow plastic products, typically using polyethylene. Material is heated and rotated inside a mould to create a consistent, durable product without high pressure.

Common products include water tanks, agricultural tanks, chemical storage, industrial components and custom polyethylene products.

  • Strong, durable products
  • Uniform and structural wall thickness
  • Cost-effective tooling
  • Ability to create large or complex shapes

We produce a wide range of polyethylene tanks including water storage, agricultural spray tanks, chemical tanks, transport tanks and specialised industrial applications.

Rota Moulding specialises in rotational moulding and the manufacture of polyethylene products. We do not undertake plastic sheet welding or fabrication work.

Our process relies on moulds to produce consistent, durable products, and is best suited to applications where repeatability, strength and performance are required. If you’re unsure whether your project is suitable for rotational moulding, we’re happy to review your requirements and provide guidance.

Yes. Our products are UV stabilised and designed for demanding environments and are widely used across mining, industrial and commercial applications.

Yes. We provide custom moulding services including design support, tooling and production for tailored polyethylene products.

Yes. We undertake contract manufacturing where customers supply their own moulds and we produce to specification.

We work across agriculture, mining, energy, industrial and OEM applications.

Yes. Many of our standard products are available to purchase directly through our website.

You can browse the product range, view pricing, get a shipping quote and complete your order online.

A quote request is recommended if:

  • You require custom moulding
  • You need bulk quantities
  • Your application has specific requirements
  • You’re unsure which product is suitable

You can submit a quote request through our website or contact our team directly with your requirements.

Lead times vary depending on the product and order size. Standard products are typically faster, while custom moulding projects may require additional time for tooling and development.

Yes. We can assist with delivery and freight arrangements across Western Australia.

Yes. Many of our standard products can be purchased directly through our website.

Yes. If you require customisation, bulk quantities or specific requirements, we recommend submitting a quote request.

We aim to respond to enquiries within 24 hours.

You can submit a quote request or contact our team directly. We’ll guide you through the process.