We are luoyangguangshijixie based in Luoyang, China. We are member of TradeKey.com since April, 2013. Our business is related to Chemicals industry and we specifically deal in bearing,hob drilling,Foam dust suppression equipment. Please find our product details below: hob drilling Hob is used in shaft drilling rig for full face drilling and classification of surface soil, rock broaching cutting tools. Shaft hob is mainly used in mining, hydrogeology, ports, Bridges, buildings, Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.