![]() Polytronics Technology Polytronics Technology Corporation (PTTC, 聚鼎科技股份有限公司) is a company that designs, develops, and manufactures circuit protection devices. | ![]() SUMCO SUMCO (サムコ, formerly known as Sumitomo Mitsubishi Silicon) is a company that specializes in semiconductor silicon wafer technologies. | |
Founding Date | Founding Date 1997 | Founding Date 1999 |
Type | Type Public | Type Public |
Tags | ||
Locations | Locations Hsinchu, TW HQ Kunshan, CN | |
Employees | Employees 25911% increase | Employees 9,7141% decrease |
Financial | ||
Revenue (est.) | Revenue (est.) NT$2.9b (FY, 2025) | Revenue (est.) ¥409.7b (FY, 2025) |
Cost of goods | Cost of goods NT$1.8b (FY, 2025) | Cost of goods ¥255.4b (FY, 2025) |
Gross profit | Gross profit NT$1.1b (FY, 2025) | Gross profit ¥154.3b (FY, 2025) |
Net income | Net income (NT$6.2m) (FY, 2025) | Net income (¥10.1b) (FY, 2025) |

SUMCO (サムコ, formerly known as Sumitomo Mitsubishi Silicon) is a company that specializes in semiconductor silicon wafer technologies.
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