1,gear forging 2,weight of single piece between 50kg and 5t 3,plan vertical height must be above 50mm 1, ... min OD around 400m3,weight of single piece between 50kg and 5t4,excellent rough machining5,they are mainly applied in machinery ... ,chemical and petroleum industries,mould,shipping,transportation,agriculture,pipeline,metallurgy,GI,ETC6 ...