China bhora vharafu mutengo runyorwa: Mhando dzakasiyana, zvirevo zvekusiyana kwemutengo
Ball valve chinhu chinowanzoshandiswa chekudzivirira mvura, chimiro chayo chakareruka, chisimbiso chakanaka uye zvimwe zvakanaka zvinoita kuti ishandiswe zvakanyanya mu petroleum, makemikari, metallurgy, magetsi emagetsi uye mamwe maindasitiri mumunda wekutonga kwemvura. Mhando dzakasiyana uye zvirevo zveChina bhora vharafu mitengo ichave yakasiyana, chinyorwa ichi chichakuzivisa iwe kubva kune nyanzvi maonero eChina bhora vharafu mutengo runyorwa.