Cargo ship like Bulk carriers and Ro-Ro, need a variety of cylinders to operate all doors ramps etc..
Hengli have rich experience in designing and manufacturing these cylinders with best quality and competitive price. We have many methods to protect the cylinder corrosion: Ni-Cr plating, APS coating, HVOF coating ,laser cladding and stainless rod. We also gain rich experience in sealing  design, we can achieve zero leakage as well as prevent the water and dirty entering  into chamber.