Wenzhou Haida plastic Co., Ltd is one of the largest manufacturers of wiring equipments in China. The major products  include nylon cable ties, nail cable clips, screw press line cap, cold shrikable cable fitting, low temperature flame-retardant thermal shrinkable bushing, high votage sleeving, high and low votage cable  fitting, double wall tube, as well as adhesive disc, marker tube, expansion tube, winding tube, special-shaped tube, wire duct, totalling 36 series.