Beijing Jietaihongli Technology Co., Ltd.
chất lượng Khoan Kelly Bar, Thanh Kelly lồng vào nhau manufacturer from China
Popular Videos
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00:12
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casing
May 16, 2022 -
01:04
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Drilling Rig Kelly Bar
January 21, 2022 -
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casing
May 16, 2022 -
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![Rock Bucket Soil Bucket Hot Sale Bore Piling Machine Tools Drilling Bucket With Bullet Teeth]()
Rock Bucket Soil Bucket Hot Sale Bore Piling Machine Tools Drilling Bucket With Bullet Teeth
January 21, 2022 -
00:44
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sr150 sr200 sr238,sr285 sr405 interlocking kelly bar
January 21, 2022 -
00:30
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OEM Drilling Kelly Bar Sany Bauer Steel Tube Friction
November 09, 2022 -
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casing
May 16, 2022
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Recent Videos
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00:52
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SR 155
June 18, 2024 -
01:12
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Tích hợp 120m ma sát Kelly Bar cho cơ sở xây dựng máy móc
October 18, 2023 -
00:30
![OEM Drilling Kelly Bar Sany Bauer Steel Tube Friction]()
OEM Drilling Kelly Bar Sany Bauer Steel Tube Friction
November 09, 2022 -
01:09
![High Wear Resistant Bar Kelly Interlocking In Drilling Engineering]()
High Wear Resistant Bar Kelly Interlocking In Drilling Engineering
November 09, 2022 -
01:56
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soilmec sr80c
October 29, 2022 -
00:15
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casing
May 16, 2022 -
00:12
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casing
May 16, 2022
