ʻO Shanghai Lianfeng Gas Co., Ltd., kahi mea hana nui a me ka mea hoʻolako i ka hoʻokaʻawale kinoea a me nā lako hoʻomaʻemaʻe ma Kina, hāʻawi i ke kaʻina Pressure Swing Adsorption (PSA). Hoʻohana nui ʻia kēia ʻenehana holomua no ka hoʻokaʻawale ʻana i nā kinoea e like me ka oxygen, nitrogen, a me carbon dioxide mai ka ea, hoʻomaʻemaʻe hydrogen, a me nā noi ʻoihana ʻē aʻe. Me ka ʻoi aku o 20 mau makahiki o ka loea i ka ʻoihana kinoea, hāʻawi ʻo Shanghai Lianfeng Gas Co., Ltd. i ka ʻenehana ʻokiʻoki i kā lākou hana kaʻina PSA, hāʻawi i nā huahana kiʻekiʻe i kūpono, hilinaʻi, a hoʻokō i nā koi kikoʻī o kēlā me kēia noi. Ma ke ʻano he hale hana o nā lako PSA ma Kina, ua mālama ʻo Shanghai Lianfeng Gas Co., Ltd. i nā pono like ʻole o nā mea kūʻai aku ma ka ʻāina a me ka honua, e hāʻawi ana i nā hoʻonā maʻamau e hoʻonui i ka waiwai a hoʻemi i nā kumukūʻai. Me ka nānā ʻana i ka maikaʻi, palekana, a me ka hoʻomau, ʻo Shanghai Lianfeng Gas Co., Ltd.'s PSA kaʻina hana he koho kūpono no nā ʻoihana like ʻole.