Dear Sir, We introduce ourselves as an established butyl tube manufacturer in India. Our unit is situated in PITHAMPUR industrial area Dist. Dhar M.P. (INDIA). We are in production since 1987. Our brand name is ‘BKSTONE’ . We manufacture butyl tubes for Tires of sizes for 2/3 wheelers, Passenger Cars, LCVs , Truck/Bus , Tractor Rear, Off the Road Tires etc. We are an ISO certified company. Also our tubes are ISI marked.