Za Sun Bang
Tili ndi maziko awiri opanga, omwe ali ku Kunming City, Yunnan Province ndi Panzhihua City, Sichuan Province yokhala ndi mphamvu yopanga matani 220,000 pachaka.
Timayang'anira zogulitsa (Titanium Dioxide) kuchokera kugwero, posankha ndi kugula ilmenite kumafakitale.Timatetezedwa kuti tipereke gulu lathunthu la titanium dioxide kuti makasitomala asankhe.
