Since established in 1963, to respond the customer needs we have been seeking the possibility of cast-iron melting technology by adopting latest overseas technology or the researches assigned as national and municipal project.

Backed by the wide experience and in-depth knowledge in this field, we have been taking a role to develop foundries as only one cast-iron melting plant specialist in Japan.

To take an action for a green economy, we would like to under take our steel melting and related technologies for finding solutions of the waste recycling or treatment plant.
As ever, we would like to provide the excellent service and present the product with leading technology to contribute the growth of our society.

Company profile & history
Company Naniwa Roki Co., LTD
Established Dec. 19,1964
Capital 20 million yen
Board member
Representative director
Etsuo Murata
Chief director
Hirotoshi Murata
Executive director
Yasuhiro Murata
Technical Director
Katsuhiro Tachiiri
Head Office 12-34 Shinmachi Higasiosaka-shi, Osaka 579-8037, Japan (Access Map
TEL・FAX TEL. +81-72-986-2578
FAX. +81-72-988-1079

Branch factory

5-1-8 Kamiocho Yao-shi, Osaka
12-34 Shinmachi Higasiosaka-shi, Osaka
5-8-33 Mizuhai Higasiosaka-shi, Osaka
157-1 Minamishimamatsu Eniwa-shi, Hokkaido

Product lines

  • Shaft furnace facility
  • Incidental facilities for induction furnace ,arc furnace melting
  • Rotary furnace melting facility
  •  Bio-cokes manufacture plant
Number of employees

30 people

・Design engineer
15 people
・Manufacturing engineer
10 people
・Clerical staff
5 people