The latest news and top stories on Xin Ding Xin Trade Co Limited. A leading entity in the trade and supply sector, Hong Kong-based Xin Ding Xin Trade Co Limited specialises in exporting chemicals including caustic soda and nitric acid. It recently secured a significant HK$52.9 million contract to supply bottled water, under the "Xinle" brand with the "Guanyinshan" label, to government offices on Hong Kong Island and outlying islands. This achievement marks a notable entry for a mainland supplier into the Hong Kong government’s water provision.