It introduced the innovation of spinning frame A512 and adopted sharply raising the speed of the middle and back roller for producing the nubby yarn and bast-like fabrics.

• 介绍了对A512细纱机进行改造;采用中后罗拉瞬时增速法纺制竹节纱的生产实践;并在此基础上加大竹节纱的捻度,开发出了具有麻织物风格的仿麻竹节织物。