Tianjin Aolida Rubber Granule Sales Co,Ltd,is a hightigh enterprise specializing in scientific research ,design,production,sale of EPDM granule,lies in TianJin city,transportation is very convenient. The colored EPDM granule is mainly suitable for decorating the playground of community as the stadium track,school,kindergarten,safe cusions of various courts,gymnasium and overpass. The product has the feature of high elasticity,endurance and aging-resistance.Every performance index of it is superior to ?GB14833-93 plastic racetrack national stanard?which has passed the inspection of association of Chinese laboratory of artificial synthesis surface layer,track and field.The national centre of quality inspection and experts from the circulating association of building material of China have asserted that EPDM colored rubber particle is one qualified building material of environmental protection,which assured safety and nonpoisonous substance involved in.