美国Ever-Power同步带.梯形：MXL, XL, L,H, XH, XXH雙面梯形齒：D-XL, D-L, D-H公制齒帶型：T2.5, T5, T10,T20,AT5,AT10,AT20
HTD圓弧齒帶型：3M, 5M, 8M, 14M, 20MHTD雙面圓弧齒：D-5M, D-8M, D-14M
STD齒帶型：   S3M,S4.5, S5M, S8M, S14MRPP3M, 5M, 8M,14M