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Diamond Bit

Add:Hancheng industrial park, Tangshan city, Hebei province, China E-mail:tsjinshicy@163.com 冀ICP备07004593号 Powered by www.300.cn

Rod Shoe

Impregnated Bit

Rod&Casing Bit

C Series Casing Shoe

X Series Casing Shoe

W Series Casing Shoe

Q Series Bit

TW/QV Series Bit

JS/XJS Series Bit

CHD Series Bit

Q3 Series Bit

B Series Bit

DD Series Bit

T Series Bit

MLC/WG/WM Bit

JP/YP Bit

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