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round steel bar(carbon steel,metal bars,steel material)1. round steel Material quality: Q235 Diameter: 10-230mm Length: 6m, 9m the 2. carbon ties round steel Material quality: #20, #45, #70 Diameter: 10-230mm Length: 6m,9m 3. use:building materidl,machine building
round steel bar(carbon steel,metal bars,steel material)
Shanghai Yuncan Industry Development Co., Ltd.
Spiral steel, round steel, stone material, patterned lumber, seamless ste...
