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Jiangsu Shuguang Huayang Drilling Tool Co., Ltd.
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integral heavy weight drill pipe and drill collar

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Product Details
Place of Origin: China
Brand Name: SHUGUANG
Certification: API 7-1;NS-1
Description

Drill collar
The surface finish of slick drill collar shall be hot-rolled and mill –finished. Spiral drill collar is to do slot turning outside the surface. Spiral ...

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