| 1963 | SAN-LONG PLASTIC CO., LTD ESTABLISHED IN MU-JHA |
| 1974 | PLANT EXPANSION IN HSIN-TIEN DISTRICT, TAIPEI COUNTY AND ESTABLISHED SAN-LONG INDUSTRIAL CO., LTD. |
1979 | MERGED SAN-LONG PLASTIC CO., LTD. AND SAN-LONG |
| 1980 | AWARDED EXCELLENT SUPPLIER BY THE YULON MOTOR COMPANY |
| 1986 | ESTABLISHED PIOLAX OF TAIWAN INC. INDUSTRIAL CO., LTD WITH JAPAN KASAI KOGYO TO ESTABLISHE UY-TEKS CO.,LTD. “ IN TAIWAN TO SUPPLY DOORTRIM FOR CAR-MAKER |
| 1992 | AS A QI SUPPLIER RECOGNIZED BY FORD AWARDED |
1997 | ISO 9001 OBTAINED |
| 1998 | ISO 14001 AND QS9000 OBTAINED |
| 2000 | ESTABLISHED DONG GUAN SANLONG AUTO PARTS CO., LTD. IN GUANG DONG CHINA |
| 2003 | ESTABLISHED SAN LONG ELECTROPLATING TECH, CO |
| 2004 | Obtained ISO/TS16949 in 2004 |
| 2006 | ESTABLISHED SAN-GUANG AUTOMATE LTD. |
2008 | TA WITH JAPAN KOJIMA PRESS TO SUPPLY INNER PARTS. |
| 2012 | TPS system was introduced to SL in 201 2A |
| 2013 | BY “BUSINESS” MERGERS AND ACQUISITIONS ACT”, WE |
| 2014 | Son Long Electroplati ng tech no logy Co., Ltd and Dong |
