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q345b interlocking kelly bar
Selling leads
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Product Description: Product Description Understand what customers need and provide what customers want, TYSIM not only supply Kelly bars for drill ...
2025-07-16 00:18:29
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.... 2.Teeth Custom : equiped different teeth, like bullet teeth, flat teeth according to different working condition; 3.Kelly Box Custom : custom ...
2025-07-16 00:18:29
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