Introduction: Parker Hannifin, abbreviated as Parker, was founded in 1918 and is a multinational company located in Ohio, USA. It is a leading global manufacturer of motion and control technology and systems, providing the most comprehensive and precise solutions in the industrial field. The world's largest manufacturer of professional hydraulic fittings, hose assemblies, hard pipe fittings EO | EO2 fittings, quick connect products, refrigeration and air conditioning components, pneumatic and automatic control products. We have well-known brands such as BALSTON, DH, RECTUS, TEMA, Alron, Racor, and Finite; Parker Hannifin official website: www.parker.com.