GBI manufactures hydraulic cylinders in bore sizes from 1.50" through 13.50", and stroke lengths up to 60 feet. Their customers include most of the top manufacturers in the construction equipment, manlift, mining, drilling, gas, water and oil industries. All cylinders are custom designed for a specific application by a highlly skilled engineering department, and manufactured in a state of the art facility with robotic welding, CNC machining, and top notch quality assurance. All prooducts are 100% hydraulicly tested before shipment to our customers all over the world.