Shanghai Lianfeng Gas Co., Ltd. bụ ahụmahụ emeputa, soplaya, na factory nke PSA nitrogen osisi na China. Osisi nitrogen anyị PSA (Pressure Swing Adsorption) bụ teknụzụ ọgbara ọhụrụ nke nwere ike inye gas nitrogen dị elu maka ụlọ ọrụ dị iche iche. Ụkpụrụ ọrụ nke osisi nitrogen PSA anyị gụnyere ikewapụ nitrogen site na ikuku gbara ya gburugburu site na usoro mgbasa ozi na-emegharị nrụgide. Osisi ahụ na-eji teknụzụ mgbasa ozi mgbasa ozi carbon molecular sieve arụ ọrụ iji nzacha ikuku wee nakọta nitrogen na ọkwa ịdị ọcha ruru 99.99%. Na Shanghai Lianfeng Gas Co., Ltd., anyị na-ahụ na a na-emepụta osisi nitrogen PSA anyị na ụkpụrụ kachasị mma. Ngwaahịa anyị na-arụ ọrụ ike na ọnụ ahịa, na-enye ndị ahịa anyị uru asọmpi. Site na osisi nitrogen PSA anyị, ndị ahịa nwere ike ịnụ ụtọ ikuku nitrogen na-akwụsịghị akwụsị nke dabara adaba maka ngwa na ụlọ ọrụ kemịkalụ, ụlọ ọrụ eletrọnịkị, ụlọ ọrụ nri, na ọtụtụ ndị ọzọ. Site na ahụmịhe ọtụtụ afọ n'ichepụta osisi nitrogen PSA, ị nwere ike ịtụkwasị anyị obi inye gị ngwọta a pụrụ ịdabere na ya na nke ọma maka mkpa gas nitrogen gị.