Prefabricated athletic rubber running track with IAAF certificate. Environmentaly. Climate firendly Fair competition Prefabricated athletic running track advantage:1)easy to install2).Environmentaly3).Climate friendly4).Economical and durable5).More color effcets6).Fair competition7).Convenient installation8).Low maintenance costRoll packing size:thickness at 10-13mmwidth:1.22m.length:15m-20mSub- ...