Tender For name of item: - sinter regenerator proposed for cryogenerator of existing liquid nitrogen plant stirlin-2 (new)work: a) helium to helium heat exchange within the stirling-cycle cryogenerator with a temperature gradient of around 283k to 90 kb) the working pressure to which these materials are exposed in the working cryogenerator should be in between 17 - 43 barg, compressed air generator, new plc with programming and operation mobile remote monitoring specially, closed loop refrigerated water circulation system 17.5 kw