Material for Needle.The material for meedle of card clothing is of the special steel bright wire,hardened and tempered and rest-proof.This wire we use has ample elasticity and strong tensile strenth.

• 钢针的材料为特种钢丝，表面防锈处理，起一定防锈能力、本身富有弹性和强力，可充分发挥分梳纤维作用。