QSAAA
QSAAA
product content
tunnel engineering construction of expressways and railways, engineering construction of large hydropower stations and nuclear power stations, etc.
隐藏域元素占位
The Company produces 20,000-30,000 tons of hollow steel every year. It mainly produces GTⅢ and G30 rock drill rods that are applied to mining, tunnel engineering construction of expressways and railways, engineering construction of large hydropower stations and nuclear power stations, etc.
隐藏域元素占位
The Company produces 20,000-30,000 tons of hollow steel every year. It mainly produces GTⅢ and G30 rock drill rods that are applied to mining, tunnel engineering construction of expressways and railways, engineering construction of large hydropower stations and nuclear power stations, etc.
隐藏域元素占位
news content
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