Shanghai Lianfeng Gas Co., Ltd. o se taʻutaʻua gaosi oloa, faʻatau, ma fale gaosi oloa cryogenic nitrogen laau i Saina. O la matou cryogenic nitrogen process process e fa'aogaina ai tekonolosi fa'aonaponei e maua ai le kasa nitrogen mama maualuga, lea e taua i le tele o fa'aoga fa'apisinisi e aofia ai vaila'au, mea fa'aeletonika, afifiina o mea'ai, ma le fa'aogaina o u'amea. O a matou laau toto ua mamanuina mo le lelei ma le faʻatuatuaina, tuʻuina atu le faʻaauau pea o le kasa nitrogen e faʻafetaui ai manaʻoga patino o matou tagata faʻatau. Faatasi ai ma se tautinoga i le lelei ma le fou, Shanghai Lianfeng Gas Co., Ltd. ua avea ma kamupani faatuatuaina o laau toto cryogenic nitrogen, ofoina atu fofo masani e fetaui ma manaoga tulaga ese o alamanuia eseese. Matou te fa'amaualuga i a matou tomai fa'apitoa e ta'imua i alamanuia ma auaunaga a tagata fa'atau, fa'amautinoa e maua e a matou tagata fa'atau oloa sili ona lelei ma lagolago. Pe o lo'o e va'ava'ai e fa'aleleia lau faiga fa'atupu fa'aola o lo'o iai pe mana'omia se fa'apipi'i fou, o Shanghai Lianfeng Gas Co., Ltd. o lau pa'aga fa'atuatuaina mo vaifofo fa'ato'aga o le cryogenic nitrogen.