菲律宾采购需求：高品质电动地板研磨机购买搜索

I'm reaching out to request more information regarding your sand products. Specifically, I'm interested in understanding the different types of sand you offer, including any specifications related to grain size, purity levels, and potential applications in construction and other industries. Additionally, I'd like to know if you can provide samples for quality assessment. Could you also share your pricing structure, including bulk order rates and any available discounts for long-term contracts? It would be great to understand your lead times for delivery as well, as I'm looking to establish a reliable sourcing channel. Looking forward to your prompt response with all the necessary details.