85171843
Nov 8, 2010
Sep 18, 2012
oil well drilling fluids in the oil industry, oil sands mining and oil well drilling; polyethylene used for reduction of mud and seepage losses and hole grouting and stability; chemically attracted clay stabilizer
Chemicalsoil well drilling consulting services in the field of mud and seepage losses and hole grouting and stability in oil well drilling
Building Construction and Repair