PRODUCTS

Roller Kelly Bushing

HDS ROLLER KELLY BUSHING

HDS ROLLER KELLY BUSHING

Roller kelly bushing is a necessary tool for drilling, by matching with rotary square to drive kelly pipe. Through the rotation of four rolls, the friction between rolls and kelly pipes is reduced to
27-HDP ROLLER KELLY BUSHING

27-HDP ROLLER KELLY BUSHING

Roller kelly bushing is a necessary tool for drilling, by matching with rotary square to drive kelly pipe. Through the rotation of four rolls, the friction between rolls and kelly pipes is reduced to
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