JHF1477/1478 three-axis linkage full servo cotton spinning computer roving frame
JHF1497/1498 four-axis linkage full servo cotton spinning computer roving frame
JHF1517/1518 five-axis linkage full servo cotton spinning computer roving frame
JHF1617/JHF1618 six-axis linkage full servo cotton spinning computer roving frame
JHF1717/JHF1718 seven-axis linkage full servo cotton spinning computer roving frame