巴基斯坦采购需求：棉和聚酰亚胺纤维荧光增白剂，荧光增白剂，纺织助剂

We are looking for optical brighteners suitable for 100% cotton woven fabrics. Please share your product specifications and available grades, as well as any details regarding performance characteristics, application methods, and compatibility with different dyeing processes. Additionally, we would appreciate information on your pricing, minimum order quantities, and lead times for delivery. If you have any samples available for testing, that would be great as well. Looking forward to your prompt response!