孟加拉采购需求：七水硫酸镁供应商，工业硫酸镁 2-4mm，白色晶体硫酸镁，七水硫酸镁批量采购，在线购买七水硫酸镁，农业用硫酸镁

We are an importing company specializing in Pesticides and Fertilizer products based in China. Currently, we are looking to source Magnesium sulphate heptahydrate in two specific particle size ranges. We would appreciate it if you could provide us with some detailed information regarding your product offerings. Could you please share the minimum order quantity, pricing details, available sizes, and a photograph of the product? This information will greatly assist us in making a decision. Thank you for your cooperation, and we look forward to your prompt response!