Making your vision become a reality

Heng Yang Plastic, based in Dongguan City, China, is a prominent manufacturer in the plastic industry, with a particular focus on plastic extrusion and injection molding processes. The company is equipped with advanced machinery, including 8 extrusion machines and over 30 injection machines, allowing it to produce a wide range of high-quality plastic products efficiently and at scale.

In 2015, Heng Yang Plastic, in collaboration with Ducttech Australia, introduced its first Flat PVC Duct products to the Australian market. This strategic partnership has enabled the company to become a leading manufacturer of Flat PVC Ducts in Australia. Heng Yang Plastic’s commitment to innovation, quality, and customer satisfaction has driven its success and established it as a key player in the HVAC plastics industry.


Quality. Safety. Reliability. Every time.

Quality is at the core of everything we do. Our skilled team utilizes state-of-the-art technology and strict quality control measures to deliver products that exceed expectations. We believe in providing nothing but the best.

Safety is paramount in our operations. We adhere to stringent safety protocols, ensuring a secure environment for our employees and customers. Our products undergo rigorous testing to guarantee their safety and compliance with industry regulations.

Reliability is the foundation of our reputation. We strive to deliver on our promises and provide consistent, dependable solutions. You can trust us to meet your requirements, on time and with utmost professionalism.

Find Everything You Need at Hengyang Plastic

Channel Duct

When it comes to ventilation and air conditioning systems, proper ducting is crucial. Our Channel Ducts are expertly crafted to deliver efficient airflow and ensure excellent ventilation throughout various applications. With different sizes and materials available, you can trust our Channel Ducts to provide reliable performance and help maintain a comfortable environment.


To ensure seamless connectivity in your HVAC systems, our Connectors offer a secure and reliable solution. Designed to withstand high pressures and temperature variations, our Connectors provide a tight seal to prevent air leakage and maintain system efficiency. From straight connectors to elbow and tee connectors, we have a wide range of options to suit your specific installation needs.


"The quality and durability of Hengyang Plastic's products have exceeded our expectations. Their ducting solutions have proven to be reliable and have contributed to the success of our HVAC installations."
Li Rong Chia
"Hengyang Plastic's customer support team is fantastic. They are knowledgeable, responsive, and always go the extra mile to ensure we find the right products for our projects. A pleasure to work with!"
Qiao Chen
"Hengyang Plastic's ducting is excellent! The 2m lengths made installation quick and easy. The brackets were a breeze to fit, saving us time. The smooth, fire-resistant ducts are low-maintenance and improve airflow significantly. "
Mee Ho

Frequently Asked Questions

Hengyang Plastic offers a wide range of products, including ducting solutions, fittings and connectors, ventilation equipment, and accessories. Our product selection caters to industries such as HVAC, construction, and general manufacturing.

Yes, at Hengyang Plastic, we prioritize quality and durability. Our products are crafted using premium materials that are selected for their strength, performance, and longevity. We strive to deliver reliable solutions that meet and exceed industry standards.

Absolutely! We understand that every project has unique requirements. Hengyang Plastic offers customization options for certain products. Contact our knowledgeable team, and we will work with you to create tailored solutions that align with your specific needs.

Yes, we offer international shipping to many countries. However, please note that shipping costs and delivery times may vary depending on the destination. During the checkout process, you will be provided with the available shipping options for your location.

Our customer support team is here to assist you with any inquiries or concerns you may have. You can reach us through our website’s contact form. We strive to provide prompt and helpful responses to all customer queries.