SHENYANG — Walking through his neighborhood supermarket in Australia, where packs of Chinese sauerkraut line the shelves, Huang Xiqing feels like he's shopping in his hometown of Shenyang in Liaoning province. Among them, the Xinmin agricultural product company of the Heilongjiang Cuihua Group has sold its Chinese sauerkraut not only domestically, but also to countries including Canada, Japan and the …