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Ourkey chain for tyres are very popular in African market.In addition,they are welcomed and supported by loader-accessory sellers in Europe.Our service tenet shows that honesty is the best policy and quality is the highest.With it,we have more and more customers who come from different countries all over theworld.There is a phenomenon that people who buy our metal protection chains for the first time are very glad to cooperate with us again.So our chains are more widely used in most foreign countries. There are some unique functions of our metal protection chains below.Ourkey chain are made of alloy and steel which is the best material in factory manufacturing.They own different service life in different working environment.Generally speaking,it is from 2500 hours to 15000 hours.When you use ourkey chain in mining mountains and sites,they can protect your tyres from hot slags and sharp stones.As aresult,ourkey chain will improve your working productivity and reduce your producing cost to help you achieve better profits. typecolormaterialrockwell hardnesscircle bar diameterservice lifeworking enviroment26.5-25blackalloy48°-52°16mm2500-15000 hoursall kinds of pavement In strict accordance with the national quality standard,our professional construction team and perfect service system will become your most reliable business partner by providing you our best enthusiasm and quality of service.In addition,we shall build hardware products and strict management to keep pace with The Times.You wil be whole welcomed by us whatever Chinese or foreigners.we are looking forward to cooperating with you to create more brilliant tomorrow.