300m 10.5mm hlau pom rau cov pob zeb muaj zog xa mus rau sab hnub tuaj Europe. Qee cov neeg siv khoom nug, qhov txawv ntawm peb cov qauv: TWR01, TWR02 thiab TWR03 ?
TWR01 yog formula nrog Cobalt, zoo dua rau lub teeb thiab nruab nrab reinforced pob zeb;
TWR02 yog formula nrog tsawg Cobalt, zoo dua rau lub teeb thiab mudium reinforce pob zeb, tab sis lifespan txog 10-20 feem pua tsawg dua TWR01;
TWR03 tau txhim kho los ntawm TWR01 thiab TWR02 saum toj no, thiab tuaj yeem siv rau hauv kev sib xyaw ua ke los yog cov pob zeb hnyav, qhov ntse yog qhov zoo.
