以西堠门大桥国产1 770 MPa主缆索股制作技术为基础，进一步研究超长（≥4 250 m）大规格（≥169丝）高强度（1 860 MPa等级）主缆单元索股制造技术，同时对主缆索股的水平收放索技术和装置进行进一步的研究，为特大跨径悬索桥主缆单元索股的制造提供技术研究基础。

Based on the technology research of homemade 1 770 MPa main cable strand of Xihoumen Bridge, the paper further researched the manufacturing technology of main cable strand with super length (≥4 250 m), big specification (≥169 spec.) and high strength (1 860 MPa grade) and the technique and device for setting cable or receiving cable of the level packing in coiler. It provided a technique research foundation for main cable strand of super long span suspension bridge.