巴基斯坦采购需求：分散染料、酸性染料、还原染料、活性染料、织物染料、布料染料

I'm looking to source Sodium Naphthalene Sulfonate for an upcoming project. Could you provide details on the available grades along with their respective specifications? Additionally, I'd appreciate info on pricing, minimum order quantities, and lead times for delivery. If there are bulk purchase options or discounts available, please include that as well. Thanks!