5-1/2 BTC X 6-5/8 LTC PIN X PIN 110ss Crossover Sub Crossover Sub for Oil Well Drilling Pipe
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COMPANY PROFILE We(SWS) are specialized in cementing tools and casing accessories, engaging in the development, manufacturing, sales and service. Advanced downhole tool manufacturing technology is used to provide products that exceed industry quality ......
Jiangsu Service Petroleum Technology Co., Ltd
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