This steering cylinder series is purpose-built for the chassis steering system of empty container handlers. Mounted between the steering axle and the steering linkage, it provides hydraulic assist to precisely angle the wheels, enabling nimble maneuvering and accurate positioning in tight port yards and quayside spaces. With a long-stroke, high-strength compact structure, low-friction sealing, and integrated safety valve package, it delivers light, precise, stick-slip-free steering response under continuous heavy-duty operation, port salt spray, and dusty conditions, significantly reducing operator effort and ensuring safe, efficient container handling.

This side shift cylinder series is purpose-built for the spreader traverse system of empty container handlers. Mounted between the mast crossbeam and the spreader, it hydraulically shifts the spreader smoothly left and right, enabling precise container alignment, stacking, and handling. With a long-stroke, high-strength compact structure, low-friction sealing, and integrated safety valve package, it maintains accurate, stick-slip-free motion control under high-frequency cycling, port salt spray, and dusty conditions, significantly improving stacking efficiency and operational safety.

This wire rope tensioner cylinder series is the core actuator of the riser tensioning system on floating drilling platforms and drillships. It provides hydraulic thrust to the traveling sheave assembly, applying constant, controllable tension to the wire ropes connected to the riser. This action compensates for the vessel's heave motion caused by waves, tide, and current, preventing the riser from buckling under compression or being overstressed in tension. With an ultra-high thrust capability (up to 8,500 kN), materials meeting extreme cold-impact toughness, and a long-life multi-redundant sealing system, the cylinder delivers flawless zero-leakage holding and exceptional operational reliability in deepwater salt spray, heavy swell vibration, and continuous long-term loading — making it an indispensable component for safe floating drilling operations.

This lifting cylinder series is the main drive element of the hydraulic jacking system on jack-up offshore platforms. Working in concert with the ring beam and pin locking system, it drives the platform step by step up or down along the leg chords, enabling safe elevation from a floating transit draft to the operating air gap and back. Featuring an ultra-high pressure, large-bore (up to 700 mm), medium-stroke design, each cylinder delivers thrust capacities of tens of thousands of kN. When deployed in groups, they provide the massive lifting force and holding capability required by jack-up platforms ranging from 300 to 1,500 ft. With an ultra-strong salt-spray-resistant ceramic coating, zero-leakage long-life sealing, and externally mounted, easily serviceable displacement sensors, the cylinder operates reliably for extended periods in extreme marine environments — salt spray, high humidity, splash, and intense UV — ensuring safe and stable platform jacking throughout the entire operational cycle.

This pin cylinder series is specifically designed for the jacking system of jack-up offshore platforms. As the core actuator of the ring beam pin-locking mechanism, it drives high-strength alloy pins to precisely engage or disengage the locking holes on the leg chords, enabling reliable staged mechanical locking and unlocking during platform elevation. This ensures safe standing and smooth jacking in water depths up to several tens of meters. Featuring an ultra-strong salt-spray-resistant ceramic coating, a highly reliable zero-leakage sealing system, and an optional built-in displacement sensor, it operates long-term with minimal maintenance in extreme marine environments — salt spray, humidity, splash, and intense UV — preventing any locking failure due to corrosion or leakage over an entire platform operational cycle.

This pitch cylinder series is the core actuator of the hydraulic pitch system in large wind turbines. Mounted on the rotating cylinder base inside the hub, it precisely rotates the blades around their longitudinal axis via hydraulic servo control, enabling real-time pitch angle adjustment. Under normal operating conditions, the cylinder fine-tunes the blade angle to optimize aerodynamic efficiency. During extreme gusts or emergency stops, it rapidly feathers the blades to a safe position, achieving aerodynamic braking. Designed with a compact structure, ultra-low-friction long-life sealing, and full-lifecycle maintenance-free operation, it performs reliably over the turbine's entire 20+ year service life in the extreme conditions found at the tower top — temperature extremes, continuous vibration, salt spray, and high humidity.

This heliostat tracking cylinder is the core servo actuator of the heliostat system in solar power tower plants. Receiving closed-loop commands from the master controller, it precisely adjusts the mirror tilt and azimuth via a servo hydraulic system to track the sun's path throughout the day, maximizing reflected solar energy onto the central receiver. Featuring an ultra-long-life low-friction sealing system, comprehensive UV-resistant anti-corrosion design, and an integrated displacement sensing interface, it operates stably for decades in harsh desert, high-altitude, intense UV, and extreme temperature swing environments, ensuring the heliostat field generates power efficiently and reliably.

This desalination cylinder is the primary actuator in high-pressure pump trains or energy recovery systems of reverse osmosis (RO) seawater desalination plants. It is specifically designed to draw in, pressurize, and deliver seawater to reverse osmosis membrane elements under highly corrosive conditions. Entirely fabricated from duplex stainless steel with a weld-free design, and featuring ceramic-coated bore and piston rod, along with specialized wiper seals and integrated inlet/outlet valves for seawater service, the cylinder delivers exceptional reliability, minimal maintenance, and zero risk of hydraulic fluid contamination despite 24-hour continuous operation and exposure to microorganisms and fine sediment. It provides an ultra-long-life, environmentally clean hydraulic power solution for both land-based and marine desalination facilities.

This wave/tidal power generation cylinder is the key actuator and energy conversion element in marine hydrokinetic energy devices. It directly harnesses the reciprocating motion of waves or tidal currents, converting massive low-speed mechanical energy into high-pressure hydraulic energy with exceptional efficiency. The high-pressure oil then drives a hydraulic motor-generator set to produce electricity. Designed with ultra-long stroke, extremely low friction, and high-frequency fatigue resistance, it operates reliably in the splash zone, intertidal area, or fully submerged conditions for years on end. Its combination of high energy conversion efficiency, outstanding seawater corrosion resistance, and long sealing life makes it the ideal power core for floating, shore-based, or nearshore wave/tidal power plants.

This platform raising cylinder series is the core power component for the drill floor lifting system of truck-mounted rigs, workover rigs, and modular drilling units. It smoothly raises the drill floor (complete with rotary table, drawworks, etc.) from a low transport position to working height, and safely lowers it back. Designed with a high-thrust, long-stroke multi-stage telescopic configuration, it achieves vertical lifting strokes of several meters up to nearly ten meters from the carrier’s compact installed length, easily bearing the immense total weight of the drill floor and all attached equipment. Integrating a high-strength lightweight structure, low-friction long-life seals, and integrated safety locking valve packages, it ensures stable lifting and zero-drift locking even in extreme environments such as desert, Gobi, or coastal salt spray, significantly improving rig mobility and operational safety.

This mast raising cylinder series is the core power component for the mast systems of oil drilling rigs, workover rigs, and truck-mounted drilling equipment. It smoothly raises the mast from a horizontal transport position to a vertical working position, and safely lowers it back down. As the critical first step in rig deployment, the cylinder features an ultra-long stroke, high-thrust multi-stage telescopic design with a maximum stroke of up to 14,000mm, fully raising multi-section masts from a compact installed length. Integrating an extreme heavy-duty structure, low-friction long-life seals, and anti-sway safety valve packages, it ensures stable lifting and zero-drift locking even in extreme temperature swings, high winds, and sandy environments typical of deserts and offshore platforms, significantly improving operational efficiency and crew safety.

This furnace cover lifting cylinder is the core vertical-lift element of the roof system in electric arc furnaces (EAF). Typically mounted in pairs between the roof lifting arm and the fixed frame, it hydraulically and synchronously raises the furnace roof a short distance, safely separating the roof seal ring from the furnace shell upper rim, thereby preparing the roof for subsequent rotation (swing open) for charging or maintenance. After charging is complete, the cylinder retracts to gently lower the roof back onto the shell, restoring the sealed melting position. Exposed to intense radiant heat near the furnace roof, the cylinder is equipped with an external water-cooling jacket and internally fitted with high-temperature- and aging-resistant seals. Integrated displacement sensors enable multi-cylinder synchronized closed-loop control. Even under continuous high temperatures, dust, and electromagnetic interference, it maintains smooth, synchronous, precise lifting motions, ensuring smooth and safe charging operations.