Model FX315,FX325(giving-needle 1-2),FX256(combing),FX415,FX426,FX435 and FX445(needle 1-4) screw rod gill boxes,Model FXl315,FXL325(giving-needle 1-2),FXL256(coming),FXL415, FXL426, FXL435, FXL445(Needle 1-4) chain gill boxes and FZ/FZL223(re-cutting),FZ/FZL314, FZ256(coming), FZ/FZL415, FZ/FZL426, FZ/FZL435, FZ/FZ445, FZ473(roving)are a whole new generation of high-speed and efficient series gill boxes designed,developed and manufactured by the DACHENG Textile Machinery Co.,Ltd on its own,on the basis of FB/FBL wool spinning series gill boxes and in view of the characteristics of flax(ramie)short hemp spinning.