Workpiece size: diameter of 286 & nbsp; * phi 209.7 & nbsp; 44 & nbsp; mm billet weight: material of 12.4KG: 45# Zhangqiu City letter a jade ring forgings factory is engaged in the ring forgings production for more than ten years, A prefix = o ns = urn:schemas-microsoft-com:office:office />
Company Name:
Zhangqiu jade ring forging factory
Business Type: