high quanlity Drill bit
Product Description DRILL BIT ROLLER BIT PDC BIT CORE BIT company profile Sinotai Petroleum Equipment Co., Ltd (Sinotai), with the brand of TS-SINOTAI, located in the beautiful Yellow River Delta, thesecond biggest oilfield of China – Shengli Oilfield, is an international trading company that mainly engaged in importing &exporting of all kinds of petroleum equipments, equipment maintenance and engineer service. We have almost 60 years experience of the manufacting, design and supply drilling and workover rig in China,…
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