About Mastroplas

Mastroplas is an Australian owned and operated company, specialising in the design, tooling and manufacturing of plastic injection moulded products.

About – Column One

We are a full service plastic injection moulding manufacturer, confidently geared to assist in taking any project from concept inception through to product design, tooling and manufacture.

With over 25 years experience, Mastroplas has the understanding and capability to service a range of industries, including -

  • Mining
  • Electronics
  • Engineering
  • Domestic Homewares
  • Building
  • Consumables
  • Food Service

About – Column Two

Our skill set is broad, allowing us to respond to any customer requests with knowledge, understanding and proficiency. We strive to find a solution for our clients’ needs and always deliver on price with the highest quality and service.

Our philosophy is based on three core focuses - Service, Quality & Price - we seek to -

  • Provide the highest level of service, quality and technical expertise.
  • Maintain a modern manufacturing facility, with the flexibility to accommodate any client project.
  • Strive to maximise on budget and always deliver on price for our clients.
  • Maintain a dedicated team by providing a safe, friendly working environment.


Mastroplas has a wide range of plastic injection moulding machines that allow us to confidently respond to any project, big or small, that requires a professional, quality solution. Our experience ranges across both domestic and commercial projects and products such as -

  • Safety Support Mining
  • Electrical Supplies
  • Plastic Auto-Component Parts
  • Homewares
  • Hospitality
  • Safety Equipment
  • General Industrial Components
  • Lighting Components

CocoCut developed and manufactured by Mastroplas


Glass on the Grass

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Our Design & Manufacture Process

Machine Capabilities
& Production Services

Injection Moulding Machines - Our factory is equipped with a range of plastic injection moulding machines that can cater to the production of components weighing anywhere from 5 grams to 500 grams.

Highest Standards - Our machine and ancillary equipment are maintained to the highest standards and are continually updated to ensure we are a step ahead with technology and job capability.

Computerised Production - Our production process is assisted by a fully computerised production/planning system that ensures every job is completed as per the required specifications, on time and to the highest quality standards.

Wide Range of Resins - Part of our custom plastic injection moulding service offering enables us to process a wide range of plastic resins including engineering material such as polycarbonates, nylons, acrylic and polyurethanes.

24/7 Production - Our factory is flexible to your project requirements and is able to turn around production in short periods of time with our ability to run jobs 24/7.

Clean Room - We have a fully functional clean room that enables us to manage projects in industries such as medicine, food service and consumables.

Full Technical Support - Throughout the process, Mastroplas guarantee to offer full technical support and assist in design, development and manufacturing of any new product.

Mastroplas - Master of Plastics

Our Past & Present Clients

What our clients say

Tom heads up our manufacturing in North Curl Curl, Sydney. It hasn’t been easy to find the right manufacturer in Australia, but where there is a will there is a way! #australianmade #notmadeinchina #smallbusinessowner

glassonthegrass.com – instagram.com/glassonthegrass/

Glass on the Grass

Contact Us

For more information, please get in touch with the Mastroplas team.

(02) 9905 6430