尼日利亚采购需求：布儒斯特角、浓度梯度晶体、倍频晶体、感应炉晶体、中红外晶体、钕玻璃激光器

I'm interested in getting detailed pricing and information about the Damon product line. It would be great if you could provide me with the specifications, available variations, and any bulk purchase discounts. Additionally, I'd like to know about your lead times for orders and shipping options. If there are any promotional offers or upcoming products, please include that info too. Looking forward to your prompt response!