1.Standard:according to customer's designs(custom any kind of ring,gear,wheel,shaft,flange,valve body,valve bonnet,roller,sleeve,etc).

2.Materials: carbon steel,alloy

steel,17CrNiMo6,18CrNiMo7-6,40Cr,45# steel,CrMo steel,etc.

3.Unit weight:10kg to 30000kg/pc

4.length:80mm to 9000mm

5.Application:mechanical industry,wind power,nuclear,port crane,elevator and so on.