鶴壁市TIANRUIの石油PROPPANT CO.、株式会社
Ultra-lightweight (ultra-low density) ceramic proppants
石油のproppants 20/40 30/50 40/70
proppantsを折ます20/40 30/50 40/70
高密度陶磁器のproppants 20/40 30/50 40/70
中型密度の陶磁器のproppants 20/40 30/50 40/70
低密度の陶磁器のproppants 20/40 30/50 40/70
超低い密度の陶磁器のproppants 20/40 30/50 40/70
超軽量の陶磁器のproppants 20/40 30/50 40/70