ʻOiai ʻo ia kekahi o nā mea hana hoʻoheheʻe hau hau hau nui ma Kina, ʻo Shanghai Lianfeng Gas Co., Ltd. he mea hoʻolako hilinaʻi a hale hana no nā ʻōnaehana hoʻoulu ʻana i nā kinoea kiʻekiʻe. Hoʻolālā ʻia kā mākou mea hoʻoheheʻe hau nitrogen e hāʻawi i kahi hopena hilinaʻi a me ke kumu kūʻai no nā noi ʻoihana like ʻole, me ka hoʻopili ʻana i ka meaʻai, ka hana uila, nā lāʻau lapaʻau, a me nā mea hou aku. Me kā mākou mau hana hana kiʻekiʻe a me nā makahiki o ka ʻike i ka ʻoihana, ua kūpaʻa mākou i ka hāʻawi ʻana i nā huahana kiʻekiʻe e kū ana i nā kūlana kiʻekiʻe o ka hana, kūpono, a me ka palekana. Hoʻolako ʻia kā mākou mea hoʻoheheʻe gas nitrogen me ka ʻenehana ʻokiʻoki a ua hoʻolako ʻia e hāʻawi i kahi lako paʻa a pau ʻole o ke kinoea nitrogen, e kōkua ana i nā ʻoihana e hoʻomaikaʻi i kā lākou hana hana a hoʻemi i kā lākou uku hana. Ma Shanghai Lianfeng Gas Co., Ltd., ke haʻaheo nei mākou i ka hāʻawi ʻana i nā ʻenehana hana hoʻoheheʻe ʻana i nā mea kūʻai aku. E hoʻokaʻaʻike mai iā mākou i kēia lā e aʻo hou e pili ana i kā mākou mea hoʻoheheʻe gas nitrogen a pehea e hiki ai iā lākou ke pōmaikaʻi i kāu ʻoihana.