RHK Hydraulic Cylinder Services Inc. manufactures and repairs hydraulic cylinders for a wide range of industrial applications at our state-of-the-art facility. From design to delivery, every step is completed in-house to ensure quality control and efficiency. Our cylinders comply with ISO 9001:2015 quality management standards and are tested to API specifications. With our in-house chroming and finishing we are able to maintain superior quality and reduced lead times. RHK ships products nationally and internationally.