ABOUT US
INTRODUCTION ABOUT SAO VIET AIR DUCT TRADING & MANUFACTURING CO., LTD
Dear Partners and Customers,
SAO VIET AIR DUCT MANUFACTURING AND TRADING COMPANY LIMITED (OGSV) We would like to send our greetings and sincere thanks to our customers and partners who have trusted and accompanied us over the past time.
With many years of experience in the production of air ducts and ventilation accessories, OGSV proudly serves as a reputable supplier of materials for contractors installing fire protection (FPP) and air conditioning (HVAC) systems. Our products are widely used in central air conditioning, ventilation, corridor smoke extraction, stairwell pressurization, basement systems, etc., in high-rise buildings, shopping malls, and industrial plants in Hai Phong, Quang Ninh, Hai Duong, and other northern provinces.
With a team of skilled technicians, a dedicated work ethic, and a commitment to continuous innovation, OGSV is increasingly establishing its position in the ductwork industry and earning high trust from numerous investors, general contractors, and construction partners.
We aim to build the OGSV brand to become a symbol of:
- Superior quality
- High aesthetics
- Maximum operating safety
OGSV is committed to providing customers with the highest quality products and dedicated consulting and after-sales services, meeting the maximum requirements of projects ranging from residential to industrial.
With the motto "Building trust through quality," OGSV aims to be a reliable partner for our valued customers in creating sustainable and impressive constructions.
Best regards,
Pham Quang Viet
Director – Sao Viet Air Duct Trading & Manufacturing Co., Ltd.
Production equipment
This equipment is an important part of the closed-loop production line of Sao Viet Ducting Trading and Manufacturing Co., Ltd., contributing to improved production capacity and product quality to meet the stringent requirements of modern industrial projects.
CRANE SYSTEM
Function
• Overhead cranes are installed in the factory to lift and move raw and semi-finished steel coils safely and quickly.
• Ensure continuity in production and minimize manual labor.
Specifications
• Lifting capacity: 6.25 tons.
• Lifting height: suitable for workshop space, ensuring lifting of large diameter steel coils.
• Operation type: electric chain hoist, moving along the shaft beam.
• Safety system: brake, load-bearing hook, standard chain, warning horn.
Advantage
• Fast, safe, and precise lifting and lowering, minimizing risks for operators.
• Capable of continuous production with steel coils weighing 3-5 tons/coil.
• Helps optimize workshop space, making it easy to supply materials to cutting machines, stamping machines, and ductwork machines.
Role in production
• The crane is the main equipment in the stage of receiving input materials (Hoa Sen and Hoa Phat steel coils).
• Ensure the process of lifting - lowering - transferring steel coils to the production machine quickly and synchronously.
• Contributes to improving productivity, reducing waiting time and increasing equipment life thanks to stable material feeding.
With a 6.25 ton crane system, OGSV demonstrates its industrial-scale production capacity, ready to meet large projects requiring continuous and stable volumes of ductwork and accessories.
ALC SQUARE PIPE PRODUCTION LINE
Function:
• Automate the entire square duct production process from coil → cutting → seaming → flange making → product finishing.
• Ensure high speed, accuracy and synchronization.
Main specifications:
• Model: Auto Duct Line V (ACL – China).
• Processing thickness: 0.5 – 1.2 mm (galvanized steel, stainless steel).
• Sheet metal width: ≤ 1250 mm.
• Maximum running speed: 16 – 18 m/min.
• Cutting error: ± 0.5 mm.
• Integrated: hydraulic cutting, stiffener stamping, flange forming, Pittsburgh seaming, seamless cutting and folding.
• Control: CNC system with touch screen, automatic programming according to duct size.
Production capacity:
• Mass production of square and rectangular air ducts with high precision.
• Average capacity is 2,000 - 2,500 m² of corrugated iron/day, quickly meeting the progress of large projects.
• Products are produced in a uniform manner, minimizing manual labor, ensuring aesthetics and airtightness according to international standards.
Outstanding advantages:
• High automation → reduce labor costs.
• High productivity → meets the progress of high-rise buildings and industrial factories.
• High precision and consistency → increase Sao Viet Duct brand reputation in FDI projects and electromechanical general contractors.
CNC LASER CUTTING MACHINE
Specifications
• Model: CNC Laser Cutting Machine (Modern Fiber Laser technology).
• Cutting materials: Z080 galvanized steel, carbon steel, stainless steel, aluminum.
• Cutting thickness: Up to 12mm (depending on material).
• Accuracy: ±0.1mm.
• Cutting table size: 1500 x 3000 mm.
• Laser source power: 1000–2000W.
Outstanding advantages
1. High precision - Smooth, sharp cuts with no burrs, meeting the technical and aesthetic requirements of high-end construction projects.
2. Superior speed - Cuts many times faster than traditional cutting methods, shortening processing time.
3. Machining complex parts - Cutting patterns, grooves, and small details while ensuring durability and accuracy.
4. Material saving – Laser technology helps optimize cutting lines, reduce loss, and save production costs.
5. Meet mass production requirements – Suitable for large-scale project orders with urgent progress requirements.
Applications in duct manufacturing
• Processing elbows, tees, valves, and air vents with high precision.
• Cut flanges, covers, and accessories quickly and accurately.
• Particularly suitable for HVAC and fire protection systems in high-rise buildings, shopping malls, and industrial factories.
⇒ CNC laser cutting machines are a highlight of OGSV's production capabilities, affirming its systematic investment and commitment to providing high-quality, precise, and on-time products for all projects.
DC WELDING MACHINE
Specifications
• Welding technology: DC electrode short circuit welding.
• Welding materials: Galvanized iron, steel, stainless steel.
• Material thickness: 0.4 – 2.0 mm.
• Control: Automatic, precise adjustment of current and welding time.
• Operating capacity: 50 – 75 KVA.
Outstanding advantages
1. Durable weld – Even, sturdy weld, ensuring tightness, meeting fire prevention and HVAC standards.
2. Fast welding speed – Shorten production time, increase productivity.
3. Cost savings – Using DC welding technology, consuming less electricity and welding materials.
4. Safe - stable - The machine has a precise current adjustment mode, reducing the risk of fire and explosion.
Applications in duct manufacturing
• Welding joints and stiffeners of square and round air ducts.
• Processing elbows, tees, and air valves with aesthetic, durable weld lines.
• Meets the requirements of high-rise buildings, factories, and commercial centers.
DC welding machine helps OGSV optimize product quality, ensure durable welds, improve productivity and maintain reputation with customers in fire protection - HVAC projects.
SCREW AIR COMPRESSOR
Specifications
• Capacity: 15kW
• Working pressure: 16 bar (high pressure, stable).
• Function: Air compression, oil separation, maximum dehumidification.
• Application: Providing compressed air for laser cutting machines, welding machines, and pneumatic equipment in production.
Outstanding advantages
1. Stable pressure, high efficiency – Ensures a strong compressed air source for continuous equipment operation.
2. Maximum dehumidification – Keeps compressed air dry and clean, helping welding and cutting quality to be precise and stable.
3. Increase equipment durability – Reduce rust, corrosion and damage caused by moisture in compressed air.
4. Smooth operation – energy saving – Environmentally friendly and optimal production costs.
Role in duct manufacturing at OGSV
• Provides clean and dry compressed air to the Laser cutting machine, helping to create smooth and sharp cutting lines.
• Supports the welding system to operate stably, ensuring beautiful and durable welds.
• Protect the life of the entire production line, reduce maintenance costs.
Screw air compressors are the “silent power source” behind the stability and precision in duct & accessories production at OGSV, contributing to improving quality and brand reputation.
LOCK FORMER AUTOMATIC ELEVATION PRODUCTION MACHINE
Optimal solution for manufacturing duct accessories
The Lock Former automatic elbow production machine is a specialized, modern equipment widely used in the industrial duct manufacturing industry. This equipment allows precise shaping of cone, elbow, and duct collar details - indispensable accessories in ventilation, air conditioning and air filtration systems.
Outstanding advantages:
• High automation: Reduce manual labor, improve productivity and product quality.
• High precision: Details are evenly shaped and precisely joined thanks to the intelligent shaping mechanism.
• Integrated Lock Former technology: Helps to connect accessories firmly, airtightly and easily installed.
• Stable operation: The device is durable, operates smoothly and has few breakdowns. Applications:
• Production of reducers, elbows, pipe collars, reducing joints...
• Suitable for galvanized iron, stainless steel...
• Applied in duct manufacturing factories, HVAC mechanical workshops...
SOUND ANTI-ACCESSORY
During the process of manufacturing air ducts, especially the stage of inserting air duct edges with a pneumatic hammer, loud noises often arise, which can seriously affect the hearing of workers and the environment around the factory. To overcome this problem, Sao Viet Air Duct Manufacturing and Trading Company Limited (OGSV) has invested in building a specialized soundproof chamber.
Main effects:
• Minimize noise when using pneumatic hammers during bending, riveting, and sealing of air duct edges.
• Prevents sound from spreading to the common workshop space, helping to improve working conditions and sound environment.
• Hearing protection for direct operators and surrounding workers.
• Contribute to ensuring occupational safety and health standards.
Chamber design:
• Walls and ceilings use galvanized soundproof corrugated iron, combined with high-quality soundproof glass wool.
• Flexible sliding door, convenient for transporting materials in/out.
• The interior space is equipped with a local air conditioning system, ensuring comfort and safety for workers.
The anechoic chamber is part of OGSV's commitment to a modern, humane and sustainable production environment, while demonstrating a serious investment in the human factor in the industrialization process of production.
CNC HYDRAULIC BENDING MACHINE 63 TON – WIDE 2500MM
CNC hydraulic press brake with 63 tons of pressing force and 2500mm working length is an indispensable equipment in the production line of air ducts, air doors and sheet mechanical products. Controlled by a modern CNC system, the machine provides high precision processing, fast speed, minimizes errors, and meets strict technical requirements.
Outstanding parameters:
• Shock force: 63 tons
• Working length: 2500 mm
• Control technology: CNC – pre-programmed bending angles and folding positions
• High precision: thanks to hydraulic control system and automatic shaft adjustment
• Sturdy, durable body design, suitable for continuous work in industrial environments
Applications in production:
• Pressing square air duct details, air vents, air valves...
• Processing galvanized iron, stainless steel, aluminum sheets with suitable thickness
• Mass production of HVAC accessories, ensuring uniformity and accuracy
Benefits:
• Increase productivity and product quality
• Reduce labor, shorten production time
• Limit technical errors thanks to automatic setting of bending angle and stroke
SPIRAL ROUND AIR DUCT MANUFACTURING MACHINE
The spiral round duct making machine is a specialized equipment in the duct production line at OGSV factory, playing a key role in manufacturing round ducts widely used in ventilation, smoke extraction, fresh air supply and industrial air conduction systems.
Specifications:
• Duct type: Spiral round duct.
• Thickness of processed material: 0.58mm ~ 0.75mm.
• Production pipe diameter: D100 ~ D800 mm.
• Materials used: Galvanized iron, stainless steel, aluminum sheet.
• Machining speed: High, stable and precise.
• Control system: Automatic, easy to operate and maintain.
Outstanding advantages:
• Produces products with high aesthetics, even and beautiful spiral welds.
• Solid structure, good air tightness, meeting high standards of HVAC system performance.
• Saves labor and significantly increases productivity compared to manual methods.
• Easily adjust pipe diameter to suit specific technical requirements.
The spiral duct manufacturing machine is a testament to OGSV's efforts in investing in technology, improving production capacity and providing high-quality duct products, serving civil and industrial projects nationwide.
VERTICAL SEAMLESSING MACHINE
Vertical shaft seaming machine is a specialized equipment used in the finishing stage of square duct joints. The equipment helps ensure tightness and firmness of the joints, while improving the quality of finished products and production efficiency.
Technical information:
• Main function: Vertical seaming for square duct (Rectangular Duct).
• Structure: Vertical shaft system has powerful drive motor, combined with automatic clamping system.
• Processing materials: Galvanized iron, stainless steel, aluminum sheet...
• Material thickness: Usually from 0.5mm ~ 1.2mm.
• Working speed: Fast, stable and accurate.
Outstanding advantages:
• Increase uniformity and aesthetics for duct products.
• Minimize manual errors, optimize assembly and construction processes at the construction site.
• Neat vertical shaft design, easy to arrange in factory space.
• Saves time and effort compared to traditional manual seaming methods.