1,main shaft 2,80kg-5t 3,length between 1m and 5m 4,min dia over 150mm 1,main shaft forging2,80kg-5t3,length no more than 5m4,mim dia over 150mm5,excellent rough machining6,they are mainly applied in machinery,chemical and petroleum industries,mould,shipping,transportation,agriculture,pipeline,metallurgy,GI,ETC7,we have professional UT center and every year we have less than 2 complaint cases ...