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 learning more about your diamond products, specifically the specifications, available sizes, and various options you have in your catalog. Could you provide details about the different types you offer, along with any unique features or benefits of each? Additionally, if you have any recommendations based on typical applications or market trends, that would be very helpful. Furthermore, I'd appreciate information on pricing, minimum order quantities, and lead times for delivery. If you have any promotional materials or product samples available, please let me know. It's important for me to understand the range of your offerings to determine how they might fit with our current needs. Looking forward to your detailed response!