... CNC machine part We are Shijiazhuang Zhongrun Casting &Forging Co.,Ltd.Below is our company simple presentation and ... shop,and CNC maching workshop,we are specializing in forging documents,piece of casting,maching parts and universal parts ... industry like casting parts,forging ring,valve,gear blank,forging shaft,forging wheel,tractors spokes,sprocket,machinery accessory,forging ball,flame cutting,food ...