Tlhaloso ea theko ea valve ea heke ea China: Mefuta e fapaneng, litlhaloso tsa phapang ea theko

Tlhaloso ea theko ea valve ea heke ea China: Mefuta e fapaneng, litlhaloso tsa phapang ea theko

China heke valve ke sesebelisoa sa ho laola mokelikeli o sebelisoang ka tloaelo, sebopeho sa oona se bonolo, ho tiisa hantle le melemo e meng e etsa hore e sebelisoe haholo ka petroleum, lik'hemik'hale, metallurgy, matla a motlakase le liindasteri tse ling tsa tšimo ea ho laola metsi. Mefuta e fapaneng le litlhaloso tsa litheko tsa li-valve tsa liheke tsa China le tsona li fapane, sengoloa sena se tla hlahisa lenane la theko ea valve ea heke ea China ho tsoa ho pono ea setsebi.