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

Could you please provide detailed information about the products associated with Onyeka Stanley? I'm particularly interested in specifications, available variations, pricing, and any unique features that set these products apart. Additionally, I'd like to know about the lead times for orders and any minimum order quantities. This info will help me assess how we can move forward with potential procurement. Thanks in advance for your assistance!