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Latest update: 30/11/2016 18:01:29

Ohtsu Tekkou Co., Ltd.

We offer services from bolt manufacturing to installation of steel-frame structures.

Our company manufactures anchor bolts for the column base foundations of steel-frame structures and installs such structures at sites. We manufacture bolts and metal parts for metal structures such as bridges and elevated roads. We have a wide range of abilities for working with iron products and meet requirements for small-lot, short-term production.

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Other presentation

[Company strength]
Our company has been devoted to iron working for 91 years since our foundation, and we have accumulated technologies and a wide range of working abilities. We have an integrated system for providing services up to installation at construction sites as a manufacturer. Our system covers hot forging, cutting and roll threading, press molding, drawing, welding and fusing, surface treatment (hot dip galvanizing or electrostatic spraying), and even installation at a construction site.

[Business description]
1. We manufacture and sell anchor bolts for civil engineering and construction.
2. We manufacture and sell metal parts for civil engineering and construction. 
3. We manufacture and sell turnbuckles for civil engineering and construction.
4. We manufacture and sales welded cans for civil engineering and construction, and provide on-site installation.
5. We provide assembly and on-site installation of anchor frames for civil engineering and construction.
6. We provide preparation for on-site installation of floor decks, stud dowels, and inserts.
7. We sell indirect materials for civil engineering and construction, such as high-tension bolts and hex-head bolts. 
8. We sell electric power generated by photovoltaic power generation systems. and design, sell, install, and maintain such systems. 
9. We manufacture and sell other related products and offer comprehensive services.

Metalworking part and steel structure manufacturing

[Strength of products/technologies]
We use a job order production system to systemize even small-lot, short-term production as our daily business. We have abundant materials and parts in stock for short-term deliveries. We also have a quality assurance system to issue a material certificate for each ordered item. We ensure quality with receiving inspections, lot management, and traceability and other history management. We undergo an external audit twice a year and we are all devoted to improving receiving quality.

[Representative's message]
We receive many repeat orders from the construction industry for our total services integrating processes from manufacturing to installation, but we are hoping for further growth and development. We will take the opportunity of activities across business categories through this website (J-GoodTech) to promote our advance into peripheral industries and also market development for our corporate prosperity.

[Company structure for market development/overseas expansion]
We have established an in-house system for continuous improvement of our quality assurance system by appropriately understanding customer needs based on quality management systems such as ISO and JIS. 

[Market share/Ranking]
Anchor bolts for steel-frame structures of the exposed column base type: About a 30% share of the Tokai region market (top in the region and within the top 5 in Japan).

[Awards and media coverage]
IT Management Selection 100 Award of Excellence in 2005 and Grand Prix in 2006; Chubu IT Management Award in 2012. 

Steel Structure Journal (appears a few times a year), Sangyo Press, Kentsu Shimbun, Fastening Journal, and The Kinzoku Sangyo Shimbun.

ISO 9001:2000 (JQA-2954) certification. 
JIS approved factory: Gifu Factory (JQ 0407001 and JQ 0410008); Jushiyama Factory (JQ 0410009 and JQ 040723). 
P mark 19000615(03).

This company is recommended by the following support organizations.

Chubu Head Office, SMRJ