Drill chucks for pile drilling machines; pile drilling machines; drill bits for machines; auger bits for machines; carbide drill bits for machines
MachineryConcrete piles for foundations; non-metallic molds for concrete production manufactured in steel; Underground precast concrete wells for storage, processing and purification of water; Underground precast concrete wells as basement
Nonmetallic Building MaterialsProviding technical support, namely, technical advice concerning the installation, repair and maintenance of concrete
Building Construction and Repair