Tubing head and casing head are whole. Bottom threaded is ready-packed structure. Top flange and body are adopt quickly install lock machine. Master valve of Christmas tree is adopt integer structure. It is adopt metal to metal seal
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JINHU WEIDONG MACHINERY CO., LTD.VIP会员第13年
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Tubing head and casing head are whole. Bottom threaded is ready-packed structure. Top flange and body are adopt quickly install lock machine. Master valve of Christmas tree is adopt integer structure. It is adopt metal to metal seal
