| ¡¤1988 The company was established in Xianyou County, Fujian Province |
| ¡¤1995 Recognized by Science & Technology Department of Fujian Province as the first hi-tech enterprise in Putian City |
| ¡¤1997 Chosen as an advanced enterprise in science and technology of Fujian Province |
| ¡¤1998 Chosen as an advanced technology enterprise with foreign investment |
| ¡¤1999 ¡°DY Brand Piston Ring¡± was chosen by the People¡¯s Government of Fujian Province as ¡°Famous Brand Product of Fujian Province¡± |
| ¡¤2000 Passing QS9000/ISO9002 International Quality System Certification |
| ¡¤2000 Recognized by the Province Commission of Science & Technology as ¡°Two-Intensive Enterprise¡± |
| ¡¤2001 Establishing a technology development center of 19770M2 in Huli District, Xiamen City |
| ¡¤2002 The first domestic enterprise of the same industry to have passed ISO/TS16949 International Quality System Certification |
| ¡¤2003 Beginning to establish a New East Asia Production Base of 95670M2 in Xiamen Electromechanical Industrial Park |
| ¡¤2004 The registered trademark ¡°DY¡± was chosen as ¡°Famous Trademark of Fujian Province¡± |
| ¡¤2005 Chosen by Fujian Administration for Industry and Commerce as ¡°Enterprise Observing Contract and Creditability in Fujian Province¡± |
| ¡¤2005 ¡°DY Brand Piston Ring¡± was again chosen by the People¡¯s Government of Fujian Province as ¡°Famous Brand Product of Fujian Province¡± |
