| 2005-11-18 |
“Heye Tool and Die Steel Research Center of the National Engineering and Research Center for Advanced Steel Technology” is founded and its brass plate put up. |
| 2005-8-8 |
Shijiazhuang Heye&Summit Tools Co., Ltd. (Sino-foreign joint venture) is founded with joint capital from both HSS and Sumitomo Corporation(China) Holding Ltd. |
| 2005-1-31 |
Win the title of 2004 outstanding supplier from the Measuring Instruments and Cutting Tools Plant of Dongfeng Automobile Company. |
| 2004-7-6 |
Renamed as Heye Special Steel Co., Ltd. |
| 2003-10-18 |
HSS united with Hongkong Haitu (China) CO., Ltd to joint capital to found the stock-holding subsidiary company—Shijiazhuang Heye Precision Forging Ltd. (Chinese-foreign cooperative) |
| 2003-10-15 |
Become the stock-holding subsidiary company of AT&M after the new stock-holding shareholder—Advanced Technology & Material Co., Ltd entered. |
| 2002-11-28 |
Passed the shifting authentication of 2000 edition of ISO9001 Quality Systems. |
| 2000-11-16 |
Passed the authentication of ISO9002 Quality Systems. |
| 2000-8-8 |
Elected as the responsible unit of high-speed steel specialization group of the Special Steel Association of China |
| 2000-8-21 |
Hebei Metallurgical Science and Technology Company Limited was found, initiated by Metallurgy Research Institute of Hebei Province with its high-speed steel production line as main invest. |
| 1988 |
Developed W4Mo3Cr4VSi（D606）high-performance low-alloy high-speed steel in joint with Central Iron&Steel Research Institute. |
| 1981-9-12 |
Developed W9 general-purpose high-speed steel in joint with Central Iron&Steel Research Institute, and the steel was awarded the first-class prize by Metallurgy Ministry. |
| 1976 |
Produce high-speed steel in a rather large scale. |
| 1974-5-11 |
Metallurgy Research Institute of Hebei Province was founded. |
