... manufacturing steel wire rope . Name:point contacted steel wire rope,linear contacted steel wire rope ,non-rotating steel wire rope with many layers ,elevator steel wire rope ,control able ,pvc,pp ,PE&NYLON coated steel wire rope and ... and chains .Raw material :quality carbon spring steel ,60# ,65#,70#,72A,82B Standard : ISO ,DIN, ASTM,JIS , etc. Construction :1X7,1X19 ...