... Certificate :ISO9001 ,CE 3. We often take Large-scale exhibition Pneumatic actuator 1.ISO9001, CE certificate .2.High quality , competitive price ... and pinion double-piston2.The extruded high-quality aluminum alloy cylinder ,its longer service life and low friction coefficient.3. ... 5, 4.0, 6.4 Mpa: 150Lb, 300Lb, 600Lb:Dimension standard: GB, ANSI, JISBody material: Carbon steel(WCB), Stainless steel( ...