ZhongShan KeZhi Metal Product CO.,ltd is located in XiaoLan Town which is the famoushardware production base in China.We collect development,designing and manufacturing integrative pluralism development-oriented enterprise.Heavy duty series caster and Medium duty caster are two the market leader in our company.Along with above two leading product,we are also efficient at producing grey rubber caster,black rubber industrial caster,ball caster,white PP caster and the like light duty series caster,Scaffolding caster,low profile caster and twin wheel caster and medical caster .All of our products...