EFCO India Online Greasing & Leak Sealing Services in situ Valve Repair Workshop Repair in situ Machining Online Calibration of PSVs Instrumentation Online Greasing & Leak Sealing Training Consultancy Online Greasing & Leak SealingEFCO India offers two maintenance service programs that are suitable for ball, plug, and gate valves including X-mas tree valves with seat injection fittings.