Manufacture of couplings for OCTG and oil & gas well-related accessories

• High gas-tight couplings for high Cr stainless steel tubes/steel tubes for sour environments
• PUP joints, screen pipes, etc.

Processing of steel pipes for civil engineering and construction use (various types of processing, including cutting, groove preparation, threading, drilling, slitting, etc.)

• Manufacture of joints for steel pipes for civil engineering and construction
• Earthquake-proof and damping braces for retrofittable use in existing buildings and for built-in use in newly-constructed buildings
• AGF steel pipes for tunnel ground reinforcement
  (*AGF; All Ground Fasten method)
• Anchor steel pipes for snow avalanche prevention fences, etc.

Manufacture of steel tubes and accessories used in hot spring wells and geothermal wells

• Thermal tubes with excellent heat-retaining property (heat-insulated double-walled tubes)
• TE-FJ^TM steel pipe; pipe with specially-designed threaded joint for hot spring and seismic observation well (*TE-FJ: Tubic Efficient-Flush Joint)
• Strainer steel tubes, X-overs, etc.

• Manufacture of resin protectors
• Manufacture of steel sockets