... steel Finish:plain,HDG,EG Type:L ,J ,I and U Size: DIA--M12 to M30;Length--150mm-1500mm Anchor boltproduct ... fasteners.That we have own factory,it'sproducing nut, washer,bolt and other fasteners.The products and the transactions can be ... and we can also provide a OEM processing business. Waiting for your inquiry.Looking forward to establish the cooperation with you. U bolt