Kim cương lõi khoan Bit

Chúng tôi khoan dầu khí PDC bit / dầu & khí khoan bit, tất cả đều được sử dụng để khoan mỏ dầu. So với các bit thép cơ thể, cơ thể ma trận là phù hợp hơn cho hard rock. Và tuổi thọ bit là hai lần so với cơ thể thép.

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