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- Threadbar Rock Bolt
- Normally, we manufacture both Left-Hand Thread(LHT) Bars and Right-Hand Thread(LHT) Bars,Threadbar bolts is made of hot rolled based on the requirements of rock bolt used in the ground support projects, different grade of material to reach the support dem
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Shanxi Lanyuan Technology Co.,Ltd.
[Verified]
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Negotiable
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