3 Points positioning and precisely machined head caps and pistons done by imported 3-D CNC machine, fundamentally solved tradtional pneumatic cylinderworking problems of climbing and quivering, which makes GPT pneumatic cylinder enjoy very dependable and stable excellent quality. As one ofthe most professional manufacturer in China,GPT has widest pneumatic cylinder category and quality is the best.With over 25 years' experience in designing all kinds of pneumatic cylinders ,we developed and provided a lot of customized cylinders to many famous companies in the world ,which makes GPT quality accepted widely . GPT R&D team, always devote to studying and creating for peneumatic cylinder,we'll develop more and mare cylinders and push the pneumatic cylinder industry forward together with you