莫桑比克采购需求：PD流量计，PD流量计，PD计量器，PD旋转叶片流量计，PD型流量计，汽油PD流量计

I'm looking for high-quality oil pumps, with a strong emphasis on performance. It's crucial for our application that the pumps have excellent compatibility with existing systems. Could you please provide detailed specifications and information regarding suitable models? Additionally, I would appreciate a breakdown of pricing options, including any bulk purchase discounts. Thanks!