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1961.06

No. 725 Institute was established, building a national scientific research institute for the research of ship materials and applied technologies.

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1979.06

No. 725th Institute’s Nonferrous Metal Materials Research Laboratory (formerly the Second Research Laboratory) was established to form a professional direction for research on aluminum, copper, and titanium alloy materials and their applications for ships.

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1996.07

No. 725 Institute's Casting Titanium Alloys and Products Research Laboratory (formerly the 7th Research Laboratory) was established to realize the industrialization of science and technology, and titanium alloy golf heads entered the international market.

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2005.10

Luoyang Sunrui Titanium Precision Casting Co., Ltd. was established, and investment was made to build a titanium processing material production line, realizing a new pattern of expansion in multiple fields of titanium castings, titanium plates, strips and tubes, and titanium equipment.