API 6A 13-3/8" 5K Casing Head With CSG/BTC/SOW/Slip-Lock Drilling Wellhead Equipment.
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Oil Gas Production Christmas Trees Wellhead and Christmas tree is an important oil and gas exploration equipment, composed by three parts of the casing head, tubing head, oil (gas) tree used to connect casing string, tubing string and sealing layers bet......
Puyang Zhongshi Group Co., Ltd.
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