| 1951 | Yih Shing Hardware Co., Ltd.has nearly 60 years of history and is the most prominent hardware company in Hsinchu, mainly operating in the sales of machinery, hardware, and tools. |
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| 1987 | Mavin Co.,Ltd.specializes in the sales of precision measurement and electronic instruments from Europe, the U.S., and Japan for the demand in science parks. |
| 1992 | Well Ho Enterprise Co., Ltd.specializes in the sales of semiconductor plant and industrial safety equipment and the design, manufacture, and sales of vacuum plastic forming products. |
| 1993 | Prospect Trade Co., Ltd.is a distributor of active devices, passive devices, and electronics. |
| 2003 | Well Ho Enterprise Co., Ltd. was organized into Well Ho Technology Co., Ltd. for business reasons.。 |
| 2004 | Suzhou Telung Packing Materials Co., Ltd. was founded. |
| 2005 | Suzhou Telung acquires ISO9001 quality management certification. |
| 2009 | Well Ho Technology Co., Ltd. was organized into Well Ho Co., Ltd. and acquired ISO 9000-2008 certification in July 2009. |