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The top documents of hebei-longway-petroleum-equipment-coltd

60.32*7.11*85.7mm G105 drill pipe made in china factory
60.32*7.11*85.7mm G105 drill pipe made in china factory
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60.32*7.11*85.7mm E75 drill pipe made in china factory
60.32*7.11*85.7mm E75 drill pipe made in china factory
84 views
60.32*7.11*85.7mm G105 drill pipe made in china factory
60.32*7.11*85.7mm G105 drill pipe made in china factory
200 views
our production
our production
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114.3*10.92*158.8mm S135 seamless steel oil and gas drillpipe
114.3*10.92*158.8mm S135 seamless steel oil and gas drillpipe
75 views