欧美性欧美巨大黑白大战,国产成人a∨激情视频厨房,久久精工cnc加工精度,少妇被下春药玩弄A片

Home/
Product Center

JF-720 Bimetel Bushing

Product description:

JF-720 is a bimetal bushing with steel as backing and sintered CuPb24Sn24 as lining layer. This type has fairly good performance in anti-fatigue and load capacity. It is suitable for middle speed and middle load. When over plated certain soft alloy, it can be applied in high-speed internal combustion engine and as connect rod.