Offering mapp gas : - We are the professional manufacture for producing mapp gas. We research and development our map gas since 2004. First I would like inform you our map gas specification as below. 1. Mapp gas bottle welding ,we authorized air plain manufacture for soldering our bottle to resist gas leakage perfectly. The thread connection of mapp gas, it has standard size of cga600 and bottle size are 75mm dia, 267 height. Portable soldering for using. 2. mapp gas temperature, the welding temperature can be reached 1260c under condition of anaerobic combustion welding(burning temperature 1980c). The burning time can be gotten 2hours and 40mins continuance. - We've been exporting our map gas nearly 3years and got good feedback from our customer, either quality or price. We are thinking that we may supply our map gas for enlarging your domestic market demand though our efforts.