HANTSEN

Aluminium silicate; Chemical additives for drilling muds; Chemical preservatives for use in the production of a wide variety of chemicals; Chemicals for use in purifying water; Chemicals for welding; China clay; Concrete additives; Concrete admixtures; Detergents for industrial use; Drilling muds for use in oil well drilling; Oil dispersants

Catalytic converters; Drilling rigs; Lifting installations for the transport of persons and goods; Mine borers; Oil field equipment, namely, drilling rig mechanization machines and devices; Oil refining machines; Pumps for machines; Valves being parts of machines