Ying Tang Tseng
Founder at SIWARD CRYSTAL TECHNOLOGY CO., LTD
Profile
Ying Tang Tseng is the founder of Siward Crystal Technology Co., Ltd.
which was founded in 1988.
Currently, Mr. Tseng is the Chairman of Securitag Assembly Group Co., Ltd., Siward Enterprise, Inc., and Siward Crystal Technology(s).
Pte Ltd.
Mr. Tseng is also an Independent Director at Liton Technology Corp.
Additionally, Mr. Tseng holds positions as a Director at Siward Technology Co. Ltd., Apex Optech Corp., Siward Crystal Technology (Wuxi) Co. Ltd., and Apex Optech (Wuxi) Co. Ltd.
Previously, Mr. Tseng served as a Non-Executive Director at Rakon Ltd.
from 2017 to 2023.
Ying Tang Tseng active positions
| Companies | Position | Start |
|---|---|---|
| SIWARD CRYSTAL TECHNOLOGY CO., LTD | Founder | 1988-01-25 |
| LITON TECHNOLOGY CORP. | Director/Board Member | 2015-06-14 |
| SECURITAG ASSEMBLY GROUP CO., LTD. | Chairman | 2005-02-24 |
| Siward Technology Co. Ltd. | Director/Board Member | - |
| Siward Crystal Technology (Wuxi) Co. Ltd. | Director/Board Member | - |
Apex Optech Corp.
 Apex Optech Corp. Electronics DistributorsDistribution Services Apex Optech Corp. distributes semiconductors. The private company is based in Chu Pei, Taiwan. and has subsidiaries in China. | Director/Board Member | - |
Apex Optech (Wuxi) Co. Ltd.
 Apex Optech (Wuxi) Co. Ltd. SemiconductorsElectronic Technology Part of Apex Optech Corp., Apex Optech (Wuxi) Co. Ltd. is a Chinese company that manufactures quartz wafers. The private company is based in Wuxi, China. | Director/Board Member | - |
| Siward Enterprise, Inc. | Chairman | - |
| Siward Crystal Technology(s) Pte Ltd. | Chairman | - |
Former positions of Ying Tang Tseng
| Companies | Position | End |
|---|---|---|
| ░░░░░ ░░░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
Experiences
Positions held
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Listed companies | 4 |
|---|---|
| SIWARD CRYSTAL TECHNOLOGY CO., LTD | Electronic Technology |
| RAKON LIMITED | Electronic Technology |
| LITON TECHNOLOGY CORP. | Electronic Technology |
| SECURITAG ASSEMBLY GROUP CO., LTD. | Electronic Technology |
| Private companies | 6 |
|---|---|
| Siward Technology Co. Ltd. | |
Apex Optech Corp.
Apex Optech Corp. Electronics DistributorsDistribution Services Apex Optech Corp. distributes semiconductors. The private company is based in Chu Pei, Taiwan. and has subsidiaries in China. | Distribution Services |
| Siward Crystal Technology (Wuxi) Co. Ltd. | |
Apex Optech (Wuxi) Co. Ltd.
Apex Optech (Wuxi) Co. Ltd. SemiconductorsElectronic Technology Part of Apex Optech Corp., Apex Optech (Wuxi) Co. Ltd. is a Chinese company that manufactures quartz wafers. The private company is based in Wuxi, China. | Electronic Technology |
| Siward Enterprise, Inc. | |
| Siward Crystal Technology(s) Pte Ltd. |
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