XTC Luoyang Threaded Bor Bit cover biasa, retrac dan reaming jenis. Dengan lebih kuat tombol-memperbaiki kemampuan, masa pakai lebih lama, lebih baik wear-resistance dan dampak tahan kinerja, mereka banyak digunakan di terowongan bawah tanah pertambangan open pit mining, penahan dan skala besar proyek konstruksi.
[CODE_4]: MEDIA_ELEMENT_ERROR: Format error






