加拿大采购需求：氯化钡、固体氯化钡、六水合镁、溴化钾、纯碱、溴化钠

We are looking to source sodium metabisulphite, with a purity of 99%, specifically for applications in the mining industry. We would like to request a quote for a full 20ft container load. Please provide us with your best pricing, including any minimum order quantities, lead times, and payment terms. Additionally, the delivery destination is Dar es Salaam port in Tanzania. If you could also include details on the product specifications, packaging, and freight arrangements, that would be greatly appreciated. We are eager to review your proposal soon and hope for a successful collaboration.