Gem bids for Diesel driven welding generator, Modular Table / Meeting Table / Centre Table (V2), 15w - 40 Diesel Engine Oil, Diesel Engine as per IS 10001, Modular Extendable Conference Table (V2), High Pressure Breathing Air Compressor Petrol Engine Driven, Revolving Chair (V4), Diesel Bowser, Motor Driven Welding Generator, Internal Combustion Engine Crankcase Oils for Automotive Application (Diesel and gasoline) as per IS: 13656