![]() Pure Wafer Solutions Pure Wafer Solutions (formerly known as WRS Materials) is a producer of silicon wafers. | ![]() EL-CAT EL-CAT is a company that manufactures and distributes silicon wafers. It offers compound semiconductors, crystal substrates, solar cells, ingots, and other products. | ![]() Sumitomo Electric Semiconductor Materials Sumitomo Electric Semiconductor Materials (SESMI) is a company that specializes in compound semiconductor substrates. | ![]() Yeedex Electronic Yeedex Electronic (意德士科技股份有限公司) is a company supplying the materials, parts and equipment for the semiconductor industry. | ![]() Puya Semiconductor (Shanghai) Puya Semiconductor (Shanghai) is a company that produces and sells semiconductor devices. | |
Founding Date | Founding Date 2008 | Founding Date 1990 | Founding Date 2000 | Founding Date 1999 | Founding Date 2012 |
Type | Type Subsidiary | Type Private | Type Subsidiary | Type Public | Type Public |
Tags | |||||
Locations | Locations San Jose, US HQ | Locations Ridgefield Park, US HQ | Locations Hillsboro, US HQ | Locations Taipei, TW HQ Zhudong, TW | Locations HQ |
Employees | Employees 19 | Employees 5 | Employees 25 | Employees 60 | Employees N/A |
Financial | |||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) N/A | Revenue (est.) NT$747.7m (FY, 2025) | Revenue (est.) ¥2.3b (FY, 2025) |
Cost of goods | Cost of goods N/A | Cost of goods N/A | Cost of goods N/A | Cost of goods NT$434.7m (FY, 2025) | Cost of goods ¥1.7b (FY, 2025) |
Gross profit | Gross profit N/A | Gross profit N/A | Gross profit N/A | Gross profit NT$323.4m (FY, 2025) | Gross profit ¥653.3m (FY, 2025) |
Net income | Net income N/A | Net income N/A | Net income N/A | Net income NT$189.9m (FY, 2025) | Net income ¥221.3m (FY, 2025) |

EL-CAT is a company that manufactures and distributes silicon wafers. It offers compound semiconductors, crystal substrates, solar cells, ingots, and other products.
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Sumitomo Electric Semiconductor Materials (SESMI) is a company that specializes in compound semiconductor substrates.
View company
Yeedex Electronic (意德士科技股份有限公司) is a company supplying the materials, parts and equipment for the semiconductor industry.
View company
Puya Semiconductor (Shanghai) is a company that produces and sells semiconductor devices.
View company