History
| 1974 | Established on December 4. Capital JPY 100million. |
| 1976 | Started operations on March 1. Monthly produced 2,500 units of Frame parts, 30,000 units of Engine parts (HONDA motor cycle parts). |
| 1978 | Capital doubled to JPY 200 million. Expanded No.1 plant. |
| 1985 | Started mass production of parts for general purpose parts. |
| 1988 | Started mass production of DC aluminum wheels (motorcycle parts). Started integrated process operations for automobile parts. |
| 1993 | Attained 1 million production of DC aluminum wheels (motorcycle parts). |
| 1994 | Established Tianjin Yanagawa Die Casting Co., Ltd. in Tianjin, China. |
| 1995 | Established Guangzhou Yanagawa Seiki Co. Ltd. in Guangzhou China. |
| 1997 | Obtained the certificate of JQA 'ISO9002'. |
| 1998 | Started mass production of Pivot Plate (motorcycle parts) with our new DC technology 'MUP-DC' called "weldable aluminum die casting". |
| 1999 | Established YSC INC. in the United States. Obtained the certificate of JQA 'ISO14001'. |
| 2002 | Started production of hollow-body frame (motorcycle parts). Introduced Hot Charge System of aluminum molten metal. |
| 2003 | Closed Tianjin Yanagawa Die Casting Co., Ltd. in China. |
| 2004 | Started production of Buell parts. Introduced Cogeneration System. |
| 2005 | Started production of Toyota automobile parts as tier１. Closed Guangzhou Yanagawa Seiki Co., Ltd. |
| 2008 | Acquired capital in Vietnam Auto Parts Co., Ltd. (VAP). Expanded die cast and machining plant. |
| 2009 | Started mass production of DC aluminum wheels (motorcycle parts) at VAP: 12 to 14 inches. |
| 2010 | Closed YSC INC. in the United States. |
| 2011 | Increased capital to ¥450 million. Started mass production of large-sized DC aluminum wheels (motorcycle parts): 17 inches. Started production of Daihatsu automobile parts as tier１. |
| 2012 | Started production of Mitsubishi Motors PHEV parts. |
| 2016 | Started production of Chrysler parts. |
| 2017 | Started production of Daimler parts. Started operations at Aso Takamori plant in September. |
| 2022 | Decreased capital to ￥100 million. Himeji Business Office opened in April. |
| 2024 | Changed the company logo. |
