Since a period, the products that was made of hot-rolled round steel with Q235F, had the low cross-intensity and made some losing to the Baotou Iron and steel Co.
2
采煤设备。经链板输送机用高抗拉强度圆钢丝链环的校准链。规范。验收条件。
Mining equipment . high tensile steel chains round link for chain conveyors and coal plough . specifications . acceptance testing.
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