... steel) or according to customer requirements.4.Processing:die casting,CNC lathes,milling machines,deburring,polishing ... and quenching,annealing.6.Follow-up processing: 1)Ordinary processing: cutting, deburring, sand blasting, polishing, grinding, heat treatment ... of good quality, testing equipment, perfect quality assurance system, advanced processing equipment. 3)The company stresses credibility ...