... price ,high quality 4)Durable to use 1)Camshaft are high and have super strong wearablility ,surface ... smooth is high ,ultra-wearable 2) The camshaft selects the chinese best raw material ,we have the ... special and professional engineer teams to design and measure camshaft ,that is why we develop the more than ... 10 types per year 3) Camshaft is made of iron casting ,which is also ...