Shanghai Lianfeng Gas Co., Ltd. ke moetsi ea ka sehloohong, mofani oa thepa le feme ea Nitrogen Gas Systems naheng ea China. Sistimi ea rona ea Nitrogen Gas e fana ka tharollo e phahameng ho ba batlang khase e hloekileng haholo bakeng sa lits'ebetso tse fapaneng tsa indasteri le laboratori. Hore na o hloka khase ea naetrojene bakeng sa ho paka lijo, ho itšeha ka laser, ho cheka oli le khase, kapa ts'ebetso efe kapa efe ea indasteri, Sisteme ea rona ea Khase ea Nitrogen e ka fana ka ts'ebetso e tšepahalang le e sebetsang hantle. Mekhoa ea rona ea Khase ea Nitrojene e etselitsoe ho hlahisa phallo e tsoelang pele ea khase ea naetrojene e hloekileng haholo ka boemo ba bohloeki bo fihlang ho 99.9995%. Sistimi ena e tla le likarolo tse tsoetseng pele joalo ka pompo e matlafatsang khatello e phahameng, jenereithara ea naetrojene, le sistimi ea tlhoekiso ea moea ho netefatsa phepelo ea khase ea naetrojene e tsitsitseng le e tšepahalang, ha e ntse e fokotsa tšebeliso ea matla le litlhoko tsa tlhokomelo. Joaloka moetsi le mofani oa thepa ea Nitrogen Gas Systems, Shanghai Lianfeng Gas Co., Ltd. e ikemiselitse ho fana ka litharollo tsa boleng bo phahameng, tse bolokang chelete e ngata tse finyellang litlhoko tse khethehileng tsa bareki ba rona. Ikopanye le rona kajeno bakeng sa tlhaiso-leseling e batsi mabapi le Sistimi ea rona ea Khase ea Nitrogen le kamoo re ka u thusang ho ntlafatsa lits'ebetso tsa hau tsa indasteri.