孟加拉采购需求：水脱色剂、聚DADMAC、DADMAC、PAM-聚丙烯酰胺、聚胺、PAC-聚氯化铝

I'm reaching out to inquire about your products. I'm interested in exploring some options that you might have available, particularly in terms of quality and pricing. Could you provide me with a catalog or a list of your offerings? Also, I'd like to know about the minimum order quantities and lead times for delivery. If there are any ongoing promotions or discounts, that would be great to hear as well. Looking forward to your prompt response so we can discuss this further!