TEIKOKU SEIBYO CO.,LTD

[Corporate principles]

Uniting of old technology and new technology.
A long experience produces the idea. The customer's demand is answered without fail.
It advances as an enterprise that can do the creation, production, and the research.
We grow up if information, the proposal, the doubt, and the demand can be offered.
It thinks with the user, it aims at the enterprise that creates it, and inquire anything, please.

We will wait for the demand of the customer.

[Quality policy]

1 The technology improvement is offered by the idea, and it always makes an effort, and the product trusted by the user is offered.
2 All workers' effort and spirits decide everything.
3 It satisfies the customer's demand without fail.
4 A good product is surely promptly made.

[Business line]

(Rail railway articles)
Dog nail, track bolt, nut, and bolt for P.C tie
Screw spike, gauge block spring clip, washer, tie plate, vehicle bolt, low magnetic bolt, T bolt, and double screw bolt

(Construction and construction articles)
Stud with high-tension bolt nut, rivet, large-scale basic bolt, turnbuckle, brace, SS bolt, gem lead plated high-tension bolt, and head

(Engineering works articles)
Bolt for bolt for segment, bolt for guardrail, and iron tower steel pipe pillar, bolt for steel pipe of shield laying underground, and crusher bolt

(Others)
10.9 Bolt for strong, large-scale bolt, drift pin, taper pin, stainless bolt, precision machine finish processing bolt, parts, and TM trusses

[Major production facilities]

Cold forging machine
Friction press
Cold header
Hot forging machine
Hot Rolling Machine
Advanced Machine spike
Thread Rolling
NC lathe
Machining Center
Electrical discharge machine
High-Frequency Heating
Non-oxidation heat treatment line
Resin coating device
Automated warehousing system



[Major test facilities]

1,000kN universal tensile testing machine
Bolt Tester
Delayed fracture test equipment
Projector
Hardness Tester
magnetic particle testing
Metallurgical microscope
Impact tester