The transporters, freighters, construction work truckers and machineries all need frequent and easy maintenance that requires changing and or repair small parts to extend the service year of the trucker or machinery. All this must be done before hard or unable to change and repair auto parts and machineries are seriously damaged. Concrete pump seal, piston seals, mud pump seal, rod packing seal, Roller fan coupling, foot valve, manholes seal, or other rubber auto parts and machinery spare or metal to rubber bonded parts like gear box support, engine support, leaf spring support, torque rod bushing, of any kind of truck, vehicle machinery rubber parts can be can be made and repaired here at ETREP.