supply of 2kw capacity cooking coil made out , 2kw capacity cooking coil made out imported in-coloy tube double coil, operating voltage 2 30 volts ac, confirming to is:4159 (latest) hot plate dia 6.5inch to 7 inch (5 coils having inner dia 165mm a nd external dia up to steel ring 203mm) with isi mark suitable for lhb hot buffet car pantry equipment, co nfirming to rcf spec. edts- 118 rev e. material make shall be alpha, theeta, airex, dasspass or escort or eichen only. material shall be procures from oem or his authorized dealers or proof of purchase from oem o r his authorized dealers. [ warranty period: 30 months after the date of delivery ] ]