4-Step Industrial Mobile Ladder: Heavy-Duty Safety for Flexible Operations

• Customization: Available
• Condition: New
• Customized: Customized
• Model NO.: 4 Steps
• Certification: ISO9001
• Tank Marerial: Metal Tank
• Type: Middle Pressure Storage & Transportation Equipment
• Storage Objects: Solid, Liquid, Gas
• Color: Silver with Yellow Spring Cylinder or Customized
• Balance System: Spring Cylinder
• Surface Treatment: Hot Galvanizing
• Steps Width: 800mm
• Quality Guarantee: 1 Year
• Application: Truck/Train Loading Platform
• Length: 880, 1310, 1740
• Working Years: 20 Years
• Transport Package: Wooden Case or Plywood Case
• Specification: 600mm width steps
• Trademark: LOADARM
• Origin: China
• HS Code: 7308900000
• Production Capacity: 5000 Sets / Year
• Package Size: 1000.00cm * 1000.00cm * 800.00cm
• Package Gross Weight: 888.000kg

Product Description

The structure of  4-step ladder.

The industrial 4-step ladder is a heavy-duty climbing tool designed for medium-height industrial tasks. With a total height of 80-120 cm, it is ideal for accessing shelves up to 3 meters, performing equipment maintenance, or handling logistics in factories and warehouses. Its key advantages include a robust metal frame (aluminum or steel) capable of supporting 150-200 kg, anti-slip treads for safety in oily/wet environments, and a foldable design for easy storage and transport. Equipped with optional wheels or handrails, it balances stability and flexibility, meeting OSHA safety standards for reliable use in workshops, logistics centers, and manufacturing sites.

The basic technical data for folding stair:

NAME	A (mm)	B (mm)	H' (mm)	T (mm)	C (mm)	H (mm)
SA3	880	635	1620	1290	1400*1400	970
SA4	1310	635	2050	1390	1400*1400	970
SA5	1740	635	2480	1390	1400*1400	970
Notes: Sizes above for reference only. Sizes maybe change according to the parameters provided by customer. We could also supply strengthen folding stair, the steps is 800mm width. A- Extension length B- Width of passage H'- Height when stored T- Distance extruding from platform when retracted C- Safety cage's sizes H- Height of handrail

Our folding stiar in the workshop:






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Overseas project cases:

Company Profile

LIANYUNGANG LOADARM INDUSTRY CO., LTD.is mainly engaged in the R&D, design, manufacturing, sales and maintenance of petrochemical storage and transportation equipment and accessories, as well as petrochemical storage and transportation automation control systems. Its products include loading arms, floating roofs, marine arms, network shells, movable ladders, loading control systems, skid-mounted equipment, etc., and it is a high-tech enterprise. The company is located in Lianyungang City, the eastern bridgehead of the Eurasian Continental Bridge, where the climate is pleasant and the natural scenery is beautiful. In particular, the convenient land and sea transportation conditions provide favorable geographical advantages for the development of the enterprise.

LIANYUNGANG LOADARM INDUSTRY CO., LTD. is a professional manufacturer of petrochemical storage and transportation machinery and automatic control systems. Its products are widely used in large and medium-sized petrochemical enterprises in China. Products such as loading arms, jibs, floating roofs, movable ladders and skid-mounted equipment are exported to Vietnam, Indonesia, France, Nigeria, South Africa, Italy, Saudi Arabia, etc., and have been recognized by domestic and foreign customers. The company attaches great importance to talent development and strictly controls product quality, regarding "quality" as the cornerstone of its development.


We will continue to adhere to product technological innovation, closely track the development status of domestic and foreign petrochemical storage and transportation equipment, continuously strengthen the technological R&D of independent products, and provide customers with high-quality products featuring cutting-edge technology, superior quality, energy conservation and environmental protection

 

FAQ

1.Q: What is your production period or delivery time?
A: Delivery time can be within 20 days. For special products, could be within 30-50 days.

2.Q: What payment terms do you offer?
A: T/T before shipment or L/C can be accepted.
 

3.Q: Can you do OEM or use the customer's name plate for the product?
A: we can accept and welcome.
 

4.Q: How do you make sure of the quality of your products?
A: We have a strict quality control process in factory, including inspections at every stage of production, RT test, PT test and hydraulic test etc. We have ISO certification, welding certificate and welder certificate from TUV.
 

5.Q: Can you provide documentation and certifications for your products?
A: Yes, we can provide all necessary documentation and certifications, including material certificates, inspection reports, and also the customs clearance certificate such as CO, Form E etc and compliance with industry standards.
 

6.Q:Hong long is your warranty period?
A:12 months from commissioning or 18 months from delivery, whichever comes firstly. Sometimes we can supply 2 years warranty.