Shengtai Group locates in xi shui which is named as the fist tire village in china�. As one of the main manufacturers of radial tire wheeltire tube bladder and bead wire in china ,we have Three-A/Yatone/Yatai brand for TBR, and Three-A/Sagitar/Rapid/Aoteli brand for PCR which are very famous in international market. Our product have passed: America