Shandong Beiqiao New Material Technology Co.,Ltd.: Find professional polyether polyols, polyurethane prepolymer, high resilience foam, paving material manufacturers and suppliers in China here! If
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Hot rolled steel plate continuous casting or blooming slabs are used as raw materials, heated by a walking beam heating furnace, descaled by high-pressure water, and then enter the roughing mill. The
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Hot rolled steel plate continuous casting or blooming slabs are used as raw materials, heated by a walking beam heating furnace, descaled by high-pressure water, and then enter the roughing mill. The
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