By-Jas engineering build world-class waste water treatment plants in accordance with ISO 9001 Australian Standards and client requirements. We ensure all systems are commissioned and quality checked. We proactively ensure we adopt the most effective technology. Building world-class waste water and sewage treatment systems in accordance with client requirements. We cover all states across Australia including all regional areas. By-Jas specialise in the following industries. Winery Waste water Treatment, Dairy Waste Water Treatment, Leachate Treatment or Landfill Leachate Treatment, Abattoir Waste Water Treatment, Pulp and Paper Waste Water Treatment and Municipal or Sewage Treatment. Therefore, if you are looking for an expert in manufacturing waste water equipment with over 20 years of experience in the industry Bu-Jas Engineering is the obvious choice. Our on-site facilities at Hastings produce highly quality products and our friendly and experienced staff is more than happy to take you through our production process. We welcome all visitors.