Zhejiang Kaiyu Drilling Bits Co., Ltd. - Taizhou, China


3 1/2 API DTH Drill Pipe for mining and stone quarryingProduct Information1.Type: Drill Pipe2.Material:42CrMo73.Brand Name:KAIYU4.Use: Welling Drillin ...
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3 1/2 API DTH Drill Pipe for water Drilling stone quarryingProduct Information1.Type: Drill Pipe2.Material:42CrMo73.Brand Name:KAIYU4.Use: Welling Dri ...
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 161

2 3/8 API DTH Drill Pipe for water Drilling stone quarryingProduct Information1.Type: Drill Pipe2.Material:42CrMo73.Brand Name:KAIYU4.Use: Welling Dri ...
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