| Oct.1956 | Grinding processing of the quality lubricant of special glass is started, and Kobe Steel Choufu North factory is supplied. |
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| Oct.1957 | It depends on a crucible furnace, dissolution is started, and consistent manufacturing becomes possible even for an ultimate glass powder from raw-materials mixing at its company. |
| May.1960 | Stream production equipment was completed using the storage tank supply type melting furnace. |
| 1996 | By enhancement of the cost competitiveness by rationalization, and the flood of business-circles No. 1, by the assortment of varieties, the market share of the lubricous glass for the extrusion seamless steel tubes between heat reaches to 70%, and serves as a king of the business in Japan. |
Since consistent manufacture of dissolution and grinding has been aimed at in October, 1956 since a start of production, it can respond now to the requirements for quality to a chemistry quality and a powder quality simultaneously, and deployment of not only lubricous glass but the glass powder covering a field probably is enabled.
| Aug.1963 | Output of the hand stuffing cast which depends on an autoclave is started. |
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| Sep.1966 | It starts automatic [ by half-automatic molding machine induction ]. |
| Jul.1973 | An automatic molding system is aimed at and it is introductory opening of a full automatic molding machine. |
| Dec.1982 | The change to a vacuum-drying apparatus and the full automatic molding machine of a high-tech outfit is started, and high quality and power saving are aimed at. |
| Aug.1992 | In order to respond to the demand of a super-high scale factor foaming grain, a high scale factor foaming system is completed. One 120 times the business-circles record level of this is reached. |
| Nov.2000 | A functional-materials processing division is founded. Bloc severance processing plant operation opening. |
Since only smallness and a medium size molding machine are furnished and it has corresponded to special technique demand since the August, 1963 start of production, it acknowledges with unique subsistence in business circles.
