Xinzhou nining area located in Nandan county, Guangxi, is the main part of Dachang Tin Ore famous in China .

• 新洲矿区位于广西甫丹县境内,是我国著名大厂锡矿的主要矿区,近年来,采空区不断发生地面塌陷,造成国家财产和人民生命严重损失。