Article

Bitumen AH grade supplier AH70 AH 90 AH130 AH50 We are AH grade bitumen supplier in china since 2006 in bag, drum, flexi and bulk vessel including bitumen AH70 AH90 AH130 AH50 to Qingdao, Shanghai, Tianjin and Dalian ports. Differences of ASTM with Chinese standard? The main items is ductility that in Chinese standard at 15 centigrade […]