巴基斯坦采购需求：羧甲基壳聚糖，cas 83512-85-0，食品添加剂

I am interested in obtaining a quotation for 25 kg of chitosan. Please provide details regarding the price, lead time, and payment terms. Additionally, I would appreciate it if you could send a sample of the product for evaluation purposes. If there are any specific specifications or certifications associated with your chitosan, kindly include that information as well. Looking forward to your prompt response!