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...Angle / Round / Channel Steel Bar Standard AISI, ASTM, BS, DIN, GB, JIS, YB/T4212-2010,etc. Steel Grade 201,202,303,303Cu,304,304L,316,316L,310S,316Ti,321,430,904L,Q235/Q345/A36/ SS400/STK400/STK500,etc. Application hoop iron/frame structure/escalator/...
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