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Modular Aluminum Profile Solutions

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Stairway Platform System

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Fence System

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Lean Tube System

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Aluminum Profiles and Accessories

Fence System

Stairway Platform System

Lean Tube System

P8-4040 aluminum profile measures 40mm*40mm with 8.2mm T-slots. This profile features slots on all four sides, allowing connectors to be used in any direction for assembly with other profiles or accessories. As one of the most widely used industrial framing profiles, the P8-4040 is highly versatile and primarily suitable for workbenches, material handling carts, safety fences, step platforms, and more areas.
The P8-4040-1N aluminum profile measures 40mm × 40mm, with T-slots of 8.2mm. This profile features slots on three sides for assembly with other profiles or necessaries, while one side is a smooth surface, offering an aesthetically pleasing and easy-to-clean finish. The P8-4040-1N, along with the 2N90 and 2N180, are developed for constructing frames requiring high airtightness and designed for different sections of the frame: the 1N and 2N180 are suitable for intermediate structural sections, while the 2N90 is suitable for edge sections of the frame.
The P8-4040-2N90 aluminum profile measures 40mm × 40mm, with T-slots of 8.2mm. This profile features slots on 2 sides for assembly with other profiles or necessaries, while other 2 sides are smooth surface, offering an aesthetically pleasing and easy-to-clean finish.The P8-4040-2N90, along with the 1N and 2N180, are developed for constructing frames requiring high airtightness and designed for different sections of the frame: the 1N and 2N180 are suitable for intermediate sections, while the 2N90 is suitable for edge sections of the frame structures.
The P8-4040-2N180 aluminum profile measures 40mm × 40mm, with a T-slot of 8.2mm. This profile features smooth surfaces on three sides for aesthetically pleasing and easy-to-clean finish, while one side is a slot for assembly with other profiles or necessaries.The P8-4040-2N180, along with the 2N90 and 1N, are all developed for constructing frames requiring high airtightness but designed for different sections of the frame: the 2N180 and 1N are suitable for intermediate sections, while the 2N90 is suitable for edge sections of the frame.
P8-4040L light duty aluminum profile measures 40mm*40mm with T-slots of 8.2mm. This profile features slots on all four sides for assembly with other profiles or accessories.P8-4040L light duty profile is a specialized profile featuring thinner walls and reduced weight compared to standard 4040 profile. It's primarily usde for aluminum frame structures with relatively low load-bearing conditions, such as handrails, shelving units, and material handling carts.
P8-4040LA light duty aluminum profile measures 40mm*40mm with T-slots of 8.2mm. This profile features slots on all four sides for assembly with other profiles or accessories.P8-4040LA profile shares similar appearance and parameters with P8-4040L profile, but its unique flower-shaped hole design makes it suitable for tapping. It's primarily usde for aluminum frame structures with relatively low load-bearing conditions, such as handrails and shelves.
The P8-4040R is a curved profile. Its two flat sides measure 40mm and the slot width is 8.2mm. This profile features slots on both sides, allowing for connection with other profiles or accessories via connectors. The curved surface is smooth, aesthetically pleasing, and easy to clean.The P8-4040R profile is mainly used for right-angled edges in frames. Its rounded corner design can reduce the risk of damage to workpieces or injury to operators caused by accidental impacts, making it suitable for workbenches, material carts, machine covers, and similar applications.
The P8-4040SL is a light duty profile measuring 40mm*40mm with 8.2mm T-slots. This profile features slots on all four sides for assembly with other profiles or accessories.The P8-4040SL profile is a super lightweight specialized profile, offering reduced weitght and lower cost than P8-4040L profile, it's primarily used for frame structures with very low load-bearing conditions, such as shelves and hangers, providing a cost-effective solution.
The P8-4040W is a heavy duty aluminum profile measuring 40mm*40mm with 8.2mm T-slots.  This profile features slots on all four sides for assembly with other profiles or accessories.Compared to normal P8-4040 profile, the P8-4040W is heavier and of higher quality. It's primarily used for aluminum profile frames requiring greater load-bearing capacity, such as industrial stair platform and aerospace platform.
The APAS-SF-M steel safety fence system consists of steel posts and welded mesh panels. Mesh panels are available in 20×100 mm or 25×100 mm mesh sizes with 3 mm or 4 mm wire diameter, offering an excellent balance of strength, visibility, and safety. The system is suitable for factories, warehouses, machine guarding, and equipment protection areas. Fence heights are available from 1000 to 3000 mm, while panel heights range from 200 to 3000 mm and panel widths from 100 to 1500 mm. Different fence dimensions can be combined to meet on-site protection and partitioning requirements.
High‑precision medium‑frequency welding — resistant to weld failure Stiffener design improves structural strength. Metal wires are welded flat onto the frame, increasing the contact area and enhancing overall strength.
The Hinged Gate is a sliding gate designed specially for safety fence systems, using hinges to control opening and closing.It can be equipped with bolt lock, electronic lock, and other types of locks for secure operation.
The Double Hinged Gates are specially designed for safety fence systems. Each gate opens smoothly via hinges, allowing wider passage for larger equipment or personnel movement than single type.The gates can be equipped with bolt lock, electronic lock, and other types of locks for secure operation.
The sliding gate is a specially designed gate for steel safety fence system. The gatez slides horizontally on the ground to close and open, ensuring smooth and effortless operation in limited spaces without swinging clearance.The gate can be equipped with bolt lock, electronic lock, and other types of locks to ensure security.
The Double Sliding Gate is a standard modular gate specially designed for safety fence systems. It features a dual-panel sliding structure, providing a wider opening for equipment maintenance and personnel access while minimizing the required operating space.  The door is equipped with durable and adjustable caster to ensure smooth and effortless operation.
Our steel safety fence floor track gate is a heavy-duty sliding safety gate for machine guarding, factory perimeters, and robotic workstations. It integrates with modular safety fence systems for reliable access control. The floor track design ensures smooth sliding in high-traffic areas. Built with sturdy steel mesh, it blocks unauthorized access while maintaining visibility.easy to install and compatible with standard safety fence panels, this gate supports flexible layouts. With anti-corrosion finishes and secure locks, it meets global industrial safety standards.
Our double floor track safety gate is a heavy-duty sliding gate perfectly matched with industrial safety fences. It is widely applied in machine guarding, robotic cell isolation and factory perimeter protection.built with reliable double floor track structure, it enables smooth and stable sliding, ideal for wide passages and busy industrial workshops. Featuring solid steel mesh frame, it effectively prevents unauthorised access while retaining clear sight visibility. Easy to assemble and fully compatible with modular safety fencing systems, this gate supports flexible layout adjustment. Equipped with anti-corrosion finish and safety locking design, it suits production lines, warehouses and automated workshops, complying with global industrial safety standards.
High-performance safety light curtains for industrial machine guarding & robotic safety. Creates an invisible barrier that stops machinery when interrupted, protecting personnel & integrating seamlessly with safety fences.
Special profile for treads, compatible with 100mm step profile  Designed for stairway platform system and ladders Connected and secured by screws and nuts Anti-slip Pattern to Reduce Risk Sandblasting and anodizing to enhance oxidation resistance 
Used for the X-shaped connection at the intermediate structure of 45° sloped handrails Designed for 6063-T5 φ40 aluminum tubes connection Internal expansion design for secure connection and fixation  
Used for 45° connection between profiles at the bottom starting section of the sloped stairway, and 135° connection between the top sloped profile and the platform, respectively Designed for 6063-T5 φ40 aluminum tubes connection Connected and secured by screws and T-nuts
Used for the cross-shaped connection at the intermediate structure of 90° platform handrails. Designed for 6063-T5 φ40 aluminum tubes connection Internal expansion design for secure connection and fixation  
Used for the 135° connection at the starting section of 45° sloped top rail structure Designed for connection between 6063-T5 φ40 aluminum tubes Internal expansion design for secure connection and fixation 
Special profile for treads, compatible with 150mm step profile  Designed for stairway platform system and ladders Connected and secured by screws and nuts Anti-slip Pattern to Reduce Risk Sandblasting and anodizing to enhance oxidation resistance 
Used for securing the handrails to wall Designed for 6063-T5 φ40 aluminum tubes connection Connected and secured by screws
Special hinge for connecting hanrails and posts Designed for φ40 aluminum tubes connection Connected and secured by screws
Providing a transition and forming a right-angle connection​​ between handrail posts and the outer edge corner of platformDesigned for 6063-T5 φ40 aluminum tubes connectionConnected and secured by screws
APAS-D28-A is a high-strength standard D28 aluminum lean tube, designed for versatile modular lean manufacturing and industrial assembly.Made of premium aluminum alloy, this D28 lean pipe offers excellent bending resistance, structural rigidity and corrosion resistance. Its standard 28mm profile ensures full compatibility with all standard lean tube connectors and accessories.It fits standard lean tube connectors for fast assembly of workbenches, racks, trolleys, equipment supports and automation line structures. Lightweight, reusable and durable for all workshop and industrial environments.Ideal for lean production workstations, custom industrial frames and material handling systems, it provides reliable performance and lowers long-term costs.
APAS-D28-B is a high-strength D28 aluminum lean tube with built-in slot profile, designed for modular lean manufacturing and industrial assembly.Made of premium aluminum alloy, this slotted D28 lean pipe offers excellent bending resistance, structural rigidity and corrosion resistance. The integrated internal slot enables direct accessory mounting, eliminating extra brackets and simplifying custom frame construction.It fits standard lean tube connectors for fast assembly of workbenches, racks, trolleys, equipment supports and automation structures. Lightweight, reusable and durable for workshop environments.Ideal for lean production workstations, custom industrial frames and material handling systems, it reduces assembly time and lowers installation costs.
APAS-D28-C is a high-strength twin-tube D28 aluminum lean tube, designed for heavy-duty modular lean manufacturing and industrial assembly. Made of premium aluminum alloy, this dual D28 lean pipe offers exceptional structural rigidity, bending resistance and corrosion resistance. Its integrated twin-tube design doubles load capacity while maintaining lightweight performance, ideal for high-stability frame construction. It fits standard lean tube connectors for fast assembly of heavy-duty workbenches, equipment racks, trolleys and automation line structures. Lightweight, reusable and durable for demanding workshop environments. Ideal for lean production workstations, heavy industrial frames and material handling systems, it enhances structural stability and reduces assembly time.
APAS-D28-D is a high-strength D28 aluminum lean tube with dual flat mounting base, designed for modular lean manufacturing and industrial assembly.Made of premium aluminum alloy, this D28 lean pipe offers excellent bending resistance, structural rigidity and corrosion resistance. Its dual flat base enables stable surface mounting, preventing rotation and ensuring secure, aligned frame installation. It fits standard lean tube connectors for fast assembly of workbenches, racks, trolleys, equipment supports and automation structures. Lightweight, reusable and durable for workshop environments.Ideal for lean production workstations, fixed industrial frames and material handling systems, it simplifies installation and lowers assembly costs.
APAS-D28-E is a D28 aluminum lean tube profile with a round tube body and a continuous flat side extension. The round section works with standard D28 connectors and joints, while the flat side provides an extra functional surface for side-mounted applications, edge definition and partition layouts. The flat part can be installed with a back mounted parts box, and can also be used as a barrier or partition. Typical applications include lean workstations, assembly benches, material racks, flow racks, shelf systems, trolley frames and modular industrial structures.
APAS-D28-G is a high-strength D28 aluminum lean tube for modular lean manufacturing systems and industrial assembly. Made of premium aluminum alloy, this D28 lean pipe features superior bending resistance, structural rigidity and durability, combining light weight with heavy-duty load capacity. It fits standard lean tube connectors for fast assembly of workbenches, racks, trolleys and production line structures. Corrosion-resistant, reusable and long-lasting for workshop environments. Ideal for lean production, automation workstations and industrial frames, it cuts assembly time and lowers maintenance costs.
Standardized locking groove design compatible with 28mm lean tubes Secured with screws and nuts, offering easy disassembly and high reusability Constructed from lightweight, corrosion-resistant aluminum alloy for durability. Suitable for all standard types of lean tubes  
Standardized locking groove design compatible with 28mm lean tubes Secured with screws and nuts, offering easy disassembly and high reusability Constructed from lightweight, corrosion-resistant aluminum alloy for durability. Suitable for D28-A, D28-B, D28-G lean tubes 
28mm Lean Tube 135° Fixed-Angle Internal Connector High-strength aluminum alloy construction, lightweight and corrosion-resistant Connects two lean pipe ports at a fixed 135° angle Screw-tight design for easy assembly, disassembly and repeated use

About Us

Tianjin APAS Industrial Aluminum Profiles Co., Ltd. has been engaged in the design and production of aluminum profiles since 2008, independently developing the APAS® Industrial Aluminum Profile Assembly System. In 2015, APAS (Tianjin) Industrial Assembly Technology Co., Ltd was established in Xiqing Economic and Technological Development Zone.
With rapid growth, APAS aims to provide high-quality integrated industrial aluminum profile solutions for China's automotive manufacturing, industrial robotics, aerospace, electronics and electrical appliances, logistics equipment, and other automation fields.
47,000
Factory Size
17
years
Experience
100
+
Employees

One-Stop Service: Design, Manufacturing and Logistics

One-Stop Service: Design, Manufacturing and Logistics

We provide a one-stop solution — from custom design and manufacturing to global logistics support. Our integrated services ensure seamless project execution, reducing complexity and saving time for clients worldwide.
Extensive Large-Scale Project Experience

Extensive Large-Scale Project Experience

We have participated in automotive projects for BYD, Tesla, Mercedes-Benz, and China's Chang'e-4 aerospace mission, accumulating extensive experience in large-scale projects.
Certifications & Qualifications

Certifications & Qualifications

Our products and processes meet international standards (e.g., ISO 9001, CE), ensuring quality, safety, and compliance in all industries and markets.

Cooperative Partners

APAS is trusted by partners worldwide for quality products, custom aluminum fabrication, and industrial assembly services.

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Whether you need custom products, a price quote, or more details, contact us today! Our team is available 24/7 to reply.
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