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Trademark: TA0, TA1, TA2, TA3, TA9, TA10, TC4, GR2, GR5
Condition: R or M
Specification：
OD: ID: thickness：
200mm-400mm 100mm-300mm 35mm-120mm
>400mm-700mm 150mm-500mm 40mm-160mm
>700mm-900mm 300mm-700mm 50mm-180mm
>900mm-1300mm 400mm-900mm 70mm-250mm
Executive Standard: GB/T, GJB, ASTM, ASM, DIN
