Value Tachnology, Respect Talents, Match Words with Deeds and Abide by Integrity
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Low Density Oil Proppant Black High Crushing Strength Abrasion Resistance2019-06-11 15:44:18 |
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High Heat Resistance Ceramic Proppant Grain AL2O3 17 - 99% High Standard2019-05-13 11:25:26 |