Shanghai Lianfeng Gas Co., Ltd. bụ a na-eduga emeputa, soplaya, na factory nke ọhụrụ gas nkewa technology, na anyị dị mpako iwebata anyị Nitrogen Pressure Swing Adsorption usoro. Usoro a na-eji teknụzụ mgbasa ozi dị elu kewapụ nitrogen na gas ndị ọzọ, na-enye ngwọta a pụrụ ịdabere na ya na nke bara uru maka ọtụtụ ngwa mmepụta ihe. Site n'ilekwasị anya na arụmọrụ na nkwado gburugburu ebe obibi, Nitrogen Pressure Swing Adsorption na-ewepụta nitrogen dị ọcha na obere ume ike, na-eme ka ọ bụrụ nhọrọ dị mma maka ụlọ ọrụ dị iche iche gụnyere mmanụ na gas, kemịkalụ, ọgwụ na nri na ihe ọṅụṅụ. Dịka onye nrụpụta ama ama na onye na-ebubata ya na China, anyị na-agbaso ụkpụrụ ịdị mma siri ike iji hụ na ntụkwasị obi na arụmọrụ nke ngwaahịa anyị. Anyị Nitrogen Pressure Swing Adsorption usoro e mere maka ịdị mfe nke ntinye, ịrụ ọrụ, na nrụzi, na-enye ndị ahịa anyị ohere ịkwalite mmepụta ha ma belata ụgwọ ọrụ. Kpọtụrụ anyị taa ka ịmatakwu ka teknụzụ nkewa gas ọhụrụ anyị nwere ike isi baara azụmaahịa gị uru.