Ho tloha ka 2023, Ningjin County Hongda Valve Co., Ltd e ntse e tsoela pele ho eketsa matsete ho lisebelisoa le lipatlisiso tsa mahlale, ho tsoela pele ho ntlafatsa bokhoni ba eona ba tlhahiso ea litsebi le bokhoni ba tlhahiso ea mabenkele, ea matlafatsa matla a eona ka boqapi ba mahlale, 'me ea lema 'maraka oa li-valve ka botebo ka lihlahisoa tsa indasteri. . Motheong oa ho fihlela lipheo tse behiloeng tsa selemo sena pele ho kemiso, k'hamphani e rera ka mafolofolo mosebetsi oa selemo se tlang, e rala motheo o tiileng bakeng sa nts'etsopele e latelang ea boleng bo holimo ea k'hamphani.
Sebokeng sa tlhahiso ea Hongda Valve Company seterekeng sa Ningjin, mela ea tlhahiso ea othomathiki e kang CNC vertical lathe le machining center e hlahisa ka botlalo. Setsi sa tšebetso sa k'hamphani se na le mefuta e fetang 100 ea lisebelisoa tsa mochini le litsi tsa ts'ebetso. Seboka se secha sa kopano le ho penta li-spray se ka fihlela litlhoko tsa kopano tsa li-valve tse fapaneng tse kang li-valve tsa serurubele, li-valve tsa heke, li-valve tsa heke ea thipa le li-valve tsa ho hlahloba. Mehala e mecha ea tlhahiso ea lehlabathe, mehala ea tlhahiso ea lehlabathe e koahetsoeng, mela ea tlhahiso ea lehlabathe la resin, melapo ea tlhahiso ea silika sol, e khonang ho hlahisa mefuta e fapaneng ea li-castings tse kang ductile iron, grey iron, carbon steel, 304, 316, le duplex. tshepe.
Ka 2023, thekiso e fihlile ho li-yuan tse limilione tse 120. Motheong oa selemo se fetileng, e eketsehile ka 20% 'me hajoale e na le litaelo tsa limilione tse 30, haholo-holo tse romelloang linaheng tse kang Europe, United States, Amerika Boroa, Afrika, Australia, Middle East le Asia Boroa-bochabela.
Ningjin Hongda Valve Co., Ltd. e tsoela pele ho sebelisa leano la "khoebo ea thekenoloji", e tsoela pele ho etsa lipatlisiso le ho hlahisa mefuta e fapaneng e mecha le litlhaloso tsa li-valve le lisebelisoa. Ka 2024, re tla boela re sebelise workshop e ncha ea hlobo ho fana ka litšebeletso tse sebetsang le tse potlakileng bakeng sa bareki ho hlahisa lihlahisoa le meralo e mecha. Sehlahisoa se seng le se seng se tlameha ho ntlafatsoa, ho lekoa le ho hlahisoa ka bongata nako e sa feteng likhoeli tse 6.