Nippon Kanko Co., Ltd.

Founded as a joint venture company, Nippon Las Industrial Works, at 2-9 Nansakuma-cho, Shiba-ku, Tokyo.

Changed its corporate name to Nippon Tetsunetsu Co., Ltd. and took on the role of designated wholesaler for Nippon Steel Pipe Co., Ltd., handling sales of secondary steel products.

Started wet ceiling and partition work using channels and Las, and began contract manufacturing of various channels.

Built and relocated the company headquarters to 12 Bizen-cho, Shibazakura, Minato-ku, Tokyo (currently 1-19-8 Nishi-Shimbashi, Minato-ku, Tokyo).

Obtained a patent for a board fastening system that fits into a groove. Began manufacturing a complete set of steel base materials. Released the patent for free to promote steel base ceilings.

Established the Construction Sales Department as an independent entity and founded Nippon Kanko Co., Ltd. with a capital of 2 million yen as a design and construction company for lightweight steel frame, ceiling partition, metalwork, and various Las coating projects.

Increased capital to 4 million yen.

Built and relocated a four-story headquarters at 5-29-3 Nishi-Gotanda, Shinagawa-ku, Tokyo.

Increased capital to 5 million yen. Established an Osaka branch office at 41 Ise-cho, Kita-ku, Osaka.

Absorbed Nippon Tetsunetsu Co., Ltd. in a 1:1 share merger, raising capital to 10 million yen.

Increased capital to 12.5 million yen.

Released a new steel partition base material called "Nike."

Established a second warehouse at 5-29-1 Nishi-Gotanda, Shinagawa-ku, Tokyo. Increased capital to 15 million yen.

Increased capital to 20 million yen.

Established a new branch office in Chiba to expand orders in the Chiba area.

Signed a distribution agreement with Yoshino Gypsum Co., Ltd.

Established a new branch office in Omiya City for the North Kanto region to expand orders.

Moved the Osaka branch office to the front of Esaka Station in Suita City.

Released the new product "ST Bar" for directly applied ceiling underlayment.

Released the corner pipe-shaped intermediate column "SS Stud" (25mm, 40mm, 45mm, 50mm, 65mm). Also announced the "Double Stud Method" and "Wet 2‑hour fire‑resistant partition".

Established the Urayasu Distribution Center in the first steel housing complex in Urayasu.

Increased capital to 40 million yen.

Established Nikkken Manufacturing Co., Ltd. with a capital of 30 million yen in the first steel housing complex in Urayasu.

Released the "K Series" that allows a minimum ceiling thickness of 50mm.

Obtained the JIS A 6517 (steel substrate for construction) Japanese Industrial Standards display permit number 381072 at Nikkken Manufacturing Co., Ltd.

Increased capital to 80 million yen. Moved the headquarters office to a newly built building at the west entrance of Meguro Station.

Moved the Urayasu Distribution Center to the second steel housing complex in Urayasu.

Obtained the JIS A 6517 (steel substrate for construction) Japanese Industrial Standards display permit number 381124 at Hishiwa Steel Industry Co., Ltd., a dedicated subcontracting plant.

Obtained the "D Specification" certification for the data machine room of Nippon Telegraph and Telephone Corporation.

Released the "SS Ceiling Specification" that cuts construction time in half without inserts.

Purchased 5,405 m² of port‑distribution land in the Keiyo Port area of Chōmi‑cho, Funabashi City, Chiba Prefecture, as land for a distribution center from the Chiba Enterprise Agency.

Opened a distribution center in Chōmi‑cho, Funabashi City and relocated from Urayasu.

Year

Closed the Osaka branch office.

Rename Chiba Sales Office to East Kanto Sales Office.

Release seismic-resistant OA double floor (Joy Staff).

Merge North Kanto Sales Office with Tokyo Construction Department.

Merge East Kanto Sales Office with Tokyo Construction Department.

Release "Seismic Ceiling D Specification" compatible with horizontal seismic intensity 1G.

Release "Overclip Specification" drop-reduction ceiling.

Release "Hi-brid Wall Specification" compliant with Warehouse Act 2500N/m² wall.