... abrasion resistance; 4) ISO9001:2008 1)We produced the tyre protection chains, that retain the traditional steel products, but also well ... , road construction, dam engineering, quarry and steel plant operations.Tyre Protection Chain: We use special alloy component to the tyre ... , Iran and other countries and have been widely praised. Forging series for super long life,generally speaking,it is from 2500 ...