Beijing Jietaihongli Technology Co., Ltd.

Beijing Jietaihongli Technology Co., Ltd.

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Beijing Jietaihongli Technology Co., Ltd.
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20m Deep Kelly Bar Drilling Sr150 Sr200 Sr238 Sr285 Sr405 Interlocking

Apr 14, 2025
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20m Deep Kelly Bar Drilling Sr150 Sr200 Sr238 Sr285 Sr405 Interlocking
Products Detailed
1. Material: Q345B or 35CrMo 2. Type: Interlocking kelly bar, friction kelly bar, combined interlocking and friction kelly bar, square kelly bar, etc ...
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