- Gender:
- Man
- Age:
- 24
- Location:
- Xianju, Zhejiang, China
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drilling kaiqiu posted a new blog:
DTH Bit ( https://www.kqdrill.com/product/dth-bits … bits/ ) has been adopted by many companies due to its excellent performance and wide applicability to various mines. It is not only because of its own performance advantages, but also because of its convenient operation characteristics. Usually we wi…