1. Threaded End
2. Grooed Ọgwụgwụ
3. Tapered Ọgwụgwụ
4. Spot Holing Machining
5. Ọgwụgwụ beveled
6. Flanges Welding
7. Cross Bar ịgbado ọkụ
Nhazi ahaziri ahazi
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