... ,301,302etc 1,KEVLAR and NOMEX yarn and sewing thread, excellent quality, KEVLAR yarn not only has ... 30/2, 40 / 2, etc.), three strands of sewing thread (10/3 20/3 30/3 40/3, ... etc.).3,White aramid sewing thread perennial stock, different colors in accordance with ... and weft yarns of aramid fabric, protective clothing, high temperature filter felt fabric sewing thread, etc. Supply of domestic / ...