The statistics and forecasting of output and requirement quantity show that the output of steel cord trends more than sales volume and bead wire develops towards several diameters and high strength.

• 对钢帘线及胎圈钢丝的产量和需求量进行统计和预测,钢帘线有产大于销的发展趋势,胎圈钢丝向多规格、高强度方面发展。