INTRODUCTIONLajvar hydraulic(L.H) â Ltd â , the first and biggest manufacturerof all types of hydraulic and pneumatic cylinders, andelectro-hydraulic power units in Iran, was established in 1995 inArak- Iran, and officially registered in 2000. Hydraulic sets arevery important and valuable devices due to complicated andsensitive production technologies. The L.H main plant that has21000 sqm area consist of 4500 sqm of roofed workshops and 1500 sqmofficial rooms, is placed in Talash Street, 5th km Tehran road,Hajiabad industrial estate. L.H Company with 70 experienced staffs,is able to offer services to industries acting in Steel, machinery,construction, petroleum, oil, gas and ⦠fields. Producing goods inthe highest quality, using best materials and modern equipment ismain mission of L.H company in order to give highest level ofsatisfaction to its customers.