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Tianjin ZhengAo International Trading Co., Ltd
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Click to enlarge image
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Detailed Product of Drill Pipes Description:
1) Sizes: OD 2 3/8", 2 7/8", 3 1/2", 4", 4 1/2", 5", 5 1/2"
2) Standard: API SPEC 5D, API SPEC 7
3) Type of end finish: EU-external upset, IEU-internal & external upset
4) Grades: E-75, X-95, G-105, S-135
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