5 1/2"-13 3/8" N80 L80 P110 Oil Well Drilling Cementing Tool Stage Cementing Collar BTC With Secondary Sealing Rubber
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COMPANY PROFILE Jiangsu Service Petroleum Technology Co., Ltd. is committed to researching and supplying high-level petroleum downhole tools and drilling equipments, and has obtained the certificates of API Q1, API 5CT, ISO9001 quality system certification......
Jiangsu Service Petroleum Technology Co., Ltd
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