Professional Design China 3″ 4″ API 2 3/8″ Reg API 2 7/8″ Reg DTH Drilling Pipes / Drill Pipes
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We have many excellent staff members good at marketing, QC, and dealing with kinds of troublesome problem in the production process for China DTH Drill Pipe, DTH Drilling Pipe, Looking forward, we will keep pace with the times, continuing to create new products and solutions. With our strong research team, advanced production facilities, scientific management and top services, we are going to supply high quality goods to our customers worldwide. We sincerely invite you to be our business partners for mutual benefits.
Spec |
Grades |
API Spec 5D |
E75、X95、G105、S135 |
etc |