Custom Heavy Duty Hydraulic Cylinder-BOS Hydraulics
BOS Hydraulics-expert Design,build,produce your custom hydraulic cylinder from basic to complex needs

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BOS Hydraulics-Your Reliable Heavy Duty Hydraulic Cylinder Manufacturer in China
Heavy Duty Hydraulic Cylinders are high-power hydraulic
actuators designed for extreme industrial environments.
With exceptional load capacity, high-pressure resistance, and impact
durability, they excel in heavy-load and harsh operational
conditions.
At BOS Hydraulics, we engineer cylinders that deliver:
Longer
Lifespan – Precision manufacturing ensures minimal wear.
Low leakage – Advanced
sealing technology with premium materials
High Precision – Tight tolerances for
stable performance.
Aesthetic Design – Sleek, corrosion-resistant surfaces for
industrial durability.
Please provide us with your drawings and project details, and we will prepare a solution and quote for you.



As a custom hydraulic cylinder factory, let us show you some of our heavy duty hydraulic cylinder projects, which are made of different materials, suitable for different working conditions, and have different installation methods.
Understand your working conditions
- High load/strong vibration/extra long stroke
- Thick walls/Heavy-duty rods
BOS Heavy Duty Hydraulic Cylinder Main Featurers
Through continuous cooperation and promotion with our customers, BOS Hydraulics’ hydraulic cylinders offer the following advantages:
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Premium Seals: We prioritize internationally renowned brands such as Hallite, NOK, Trelleborg, Merkel, and Dingzing to ensure superior sealing performance.
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Precision Chrome Rods: We maintain extremely strict tolerances and surface finish requirements for piston rods, ensuring each rod meets the highest standards.
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High-Quality Honed Tubes: With our own honing production line, we select the best cylinder tube materials tailored to your needs.
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Exceptional Concentricity Control: Leveraging extensive manufacturing experience, we effectively control the concentricity of extra-long rods, ensuring high precision.
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High-Accuracy Sensor Integration: We can integrate high-precision sensors internally or externally to achieve accurate distance measurement and precise control.
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Rigorous Quality Inspection and Visual Documentation: Each shipment undergoes strict quality checks, and we retain extensive photo records to enhance customer trust through visual evidence.
BOS heavy duty hydraulic cylinders are used in these industries
- Engineering machinery
- industry
- Manufacturing industry
- Mining industry
- Hydropower station
- Offshore platform lifting
- Railway maintenance machinery
- Gate/dam gate control
- Stage control
Common Materials
There are many materials for cylinders.
These are the materials we use mostly.
Barrel: Q345 Series, 1045, 42CrMo4, 27SiMn etc..
Rod: 1045. 42CrMo4,Q345 Series, SS304, SS316L,2507,2205 etc..
Piston Rod & Guide: 1045, Ductile cast iron, Bronze Aluminum
Seal kit: Hallite + NOK
We have mature experience in applying SS304, 316L, 2205, 2507 and other stainless steel materials
One-Stop Customized Hydraulics Products Manufacturer in China
- ISO9001 certification factory
- 20 years factory,more years experience
- Provide professional drawings to ensure produce High-Quality Products






