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Q235 Q345 U channel steel U Type Steel building material, US $ 300 - 500 / Ton, AiSi, ASTM, bs, DIN, GB, JIS, Q235, SS400, A36 and S235JR Q345, SS500, S355JR, Shanghai, China.Source from Shanghai Jufu International Trading Co., Ltd. on Waimaotong.com.