LJM standard hydraulic cylinders cover most of the marine vessel field approved by DNV-GL, with over 50 years of experience in the design and supply of hydraulic cylinders for the marine shipping industry, offering high quality, timely delivery, and cost-effectiveness. Over the years, LJM has delivered hydraulic oil cylinders with extremely high safety requirements to manufacturers of ship cranes and other equipment in the European and Asian markets, including port cranes, marine cranes, and container cranes.