In mechanical, electrical, and HVAC (Mechanical, Electrical, and HVAC) projects, ductwork is not just an auxiliary component but a core element that determines the operational efficiency of the entire system. In the Hai Phong ductwork manufacturing market, home to numerous industrial parks, factories, and large-scale projects, the demand for high-quality ductwork is increasingly paramount. Choosing a reputable manufacturer with a well-structured process will help investors optimize costs, ensure safety, and increase the lifespan of their projects.
Why is it important to care about the quality of air ducts?

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Paying attention to duct quality is fundamental to ensuring the stable, efficient, and safe long-term operation of air conditioning and ventilation systems. A standard duct system not only optimizes energy efficiency but also minimizes technical risks, guaranteeing the safety of the building throughout its lifespan.
- Air ducts are components that conduct and distribute air in air conditioning and ventilation systems. If the air ducts are not of good quality, air leaks and pressure loss will occur, causing the system to operate inefficiently, consume more electricity, and reduce its cooling or ventilation capacity.
- Poor quality ductwork is prone to deformation, corrosion, or peeling after a period of use, especially in industrial environments. This not only incurs repair costs but also affects the operational progress of the entire project.
- In many buildings, air ducts also play a crucial role in preventing fire spread and controlling smoke. Therefore, ensuring the quality of air ducts, especially fire-resistant ducts, is a mandatory requirement to meet technical and safety standards.
Quality of air duct production in Hai Phong

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The quality of ductwork production in Hai Phong is a key factor determining the operational efficiency and durability of the entire ventilation system. With a professional production approach, Sao Viet Ducting maintains strict control over materials, technology, and personnel to deliver technically sound and long-lasting products for all projects.
The raw materials meet the standards.
In the Hai Phong air duct manufacturing industry, product quality depends heavily on the input materials. Sao Viet Air Duct uses Z080 galvanized steel from Hoa Sen and Hoa Phat, stainless steel, and high-grade high-strength steel. All materials are thoroughly inspected for thickness, flatness, surface finish, and corrosion resistance before being used in production.
Modern, highly automated production line
OGSV has invested in a comprehensive system of CNC machines, Autoline production lines, and modern spiral round duct manufacturing machines. Automated technology ensures high precision in cutting, rib rolling, seam joining, and pipe folding, guaranteeing uniformity and minimizing errors during the manufacturing process.
A diverse range of products to meet the needs of all types of construction projects.
Sao Viet Air Ducting offers a full range of products including square air ducts, rectangular air ducts, round air ducts, spiral round air ducts, insulated air ducts, and fire-resistant air ducts. This diversity allows for flexible fulfillment of the needs of civil, commercial, and industrial projects in Hai Phong and the Northern region.
Strictly comply with technical standards
The entire duct manufacturing process at OGSV in Hai Phong adheres to the standards TCVN 5687:2010 and TCXD 232:1999. Applying these standards from design and production to acceptance testing ensures that the products meet technical requirements, are easy to install, and operate stably.
Strict quality control before shipment.
After completion, the ductwork undergoes a comprehensive inspection for airtightness, dimensions, structural strength, and aesthetics. This multi-layered quality control process ensures that each delivered product meets consistent quality standards and the specific requirements of each project.
A team of skilled engineers and workers
In addition to investing in machinery, OGSV also focuses on developing a team of experienced HVAC engineers and highly skilled workers. The combination of technical expertise and practical experience helps optimize production solutions, minimize errors, and improve product quality.
OGSV is committed to the quality of ductwork production in Hai Phong.

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With a focus on sustainable development, Sao Viet Air Ducting always prioritizes quality as the core value in all its production activities. Each air duct product not only meets technical requirements but is also designed for stable, safe, and durable operation over time.
Thanks to its professional production process, standard-compliant materials, and experienced staff, OGSV has become a reputable unit in the field of air duct manufacturing in Hai Phong, trusted and chosen by many contractors and investors. Quality, timeliness, and fire safety are the long-term commitments that Sao Viet Air Ducting brings to every project.
As can be seen, duct manufacturing in Hai Phong is not just about product processing, but a rigorous quality control process from materials and technology to personnel. Choosing a professional manufacturer like Sao Viet Ducting will help ensure efficient, durable, and long-term safe operation of your project. This is the core difference that creates real value for every ME/HVAC project.
Contact information
Address: 267 Le Thanh Tong, May Chai, Hai Phong
Mrs. Hang: 0815.999.826
Mrs Giang: 0934.559.168
Email: vietonggio@gmail.com



