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No.2 Hongye road,Qingbaijiang district,Chengdu,Sichuan,China China
Eccentric Overburden Drilling System Advantages: It is Mainly made of ladder shaft shaped centralizer and using connecting pin installed in centralize
Concentric Overburden Driling System (High Air Pressure) Feature: On the basis of Eccentric Overburden Casing Systems, our factory created the Concen
Eccentric Overburden Drilling System Advantages: It is Mainly made of ladder shaft shaped centralizer and using connecting pin installed in centraliz
連絡先担当者 Mr. Jack Zhang
住所 No.2 Hongye road,Qingbaijiang district, Chengdu, Sichuan
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