孟加拉采购需求：硫酸铵、硫酸铵化肥、氮肥、硫包衣尿素、硝酸铵钙、硝酸钙

We are a leading importer of pesticide and fertilizer products based in Bangladesh, and we are currently looking to source Magnesium sulfate heptahydrate in various granule sizes, specifically in the ranges of 2-4mm and 4-7mm. Could you provide us with the details regarding the minimum order quantity along with the pricing for these products? Additionally, we would appreciate it if you could send us product images to help us assess quality. Please also include information about packaging options and any certifications your products might have. We aim to establish a long-term partnership with a reliable supplier, so your prompt response will be highly appreciated. Looking forward to your detailed reply.