14

Rotary Insertion Method Steel Pipe Pile "Kenma Pile" *Minister of Land, Infrastructure, Transport and Tourism Certified Pile
一輝
Steel pipe piles focusing on penetration and workability! Achieved pull-out strength [κ65]. Building technical performance certificate issued (dated January 19, 2018).
28

[Concrete Product Example] Aichi Prefecture: Custom-made Ministry of Land, Infrastructure, Transport and Tourism Piles
川本コンクリート工業所
A large and heavy product! With a brass Φ20 embedded plate at the center of the head.
28

[Concrete Product Example] Fukushima Prefecture: Brass Embedded Boundary Stake with Base
川本コンクリート工業所
On the front, there is "Mountain," and on the opposite side, there are "A, B, and numbers," with all 19 being different numbers!