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HTBN380/400/436/448/500/520S2M-40/60/100同步齿形带 S2M替代
极速HTBN436S2M 448S2M 500S2M 520S2M 572S2M 6P00S2M-40 60 100
同步带HTBN436/448/500/520S2M-40/S2M-60/S2M-100扭矩同步齿形带
HTBN520S2M 560S2M 572S2M 600S2M 630S2M 710S2M-40 60 100
