坦桑尼亚采购需求：特色产品，军警衬衫，军警制服，产品

I'm interested in sourcing a long black shirt in size large. Could you please provide me with details on your available options, including fabric types and any specific features? Additionally, if you have images or catalogs showcasing your current designs, that would be helpful. Also, please share pricing information and minimum order quantities. Looking forward to your prompt response!