About Sun bang
Tine zvigadziko zviviri zvekugadzira, iri muKunming Guta, Yunnan Province naVenzhihua City, Sichuan Province ine huwandu hwegore rinogadzirwa 220,000 matani.
Isu tinodzora zvigadzirwa (titanium dioxide) hunhu kubva kunobva, nekusarudza uye kutenga uye kutenga ilmenite yefekitori. Isu takachengeteka kupa chikamu chakazara cheTitanium dioxide kuti vatengi vasarudze.
