Beijing Jietaihongli Technology Co., Ltd.

Beijing Jietaihongli Technology Co., Ltd.

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4 Years
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Beijing Jietaihongli Technology Co., Ltd.
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Roller Drill Drilling Bucket Teeth Hard Alloy Steel Conical 41pcs

Roller Drill Drilling Bucket Teeth Hard Alloy Steel Conical 41pcs
  • Roller Drill Drilling Bucket Teeth Hard Alloy Steel Conical 41pcs
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Precautions for use of roller in rotary excavation works: 1. The opening width of the cylinder wall should be just put into the tooth claw or the base...
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