日本三星三角带中国***美国DAYCO国内一级代理，MITSUBOSHI上海总经销LONG-SPANTimingBelt(Open-End&Endless：Thisbeltisforlong-spanlineardrivesandlight-dutysynchronoustran***issionandtransportation.Freerdesignpossibleasthelengthcanbeextended,DAYCO1、RubberTimingBelt​2、ThermosettingPolyurethaneTimingBelt)