Here are the FAQ about TRINITY Co., LTD, a specialized trading company of silicon materials for semiconductors and photovoltaic power generation.

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What kind of items do you handle?
We deal mainly with semiconductor silicon wafers.
In addition to offering silicon materials of solar, and large diameter wafers up to 450 mm, we can also handle metal silicon processing and others.
If you have any questions, please do not hesitate to contact us.
What are the sizes of the wafers you have for sale?
We have wafers from 2 inches to 18 inches for sale.
I would like a particular kind of wafer, could you handle it?
We will check if we have it in stock.
Please contact us for specifications etc.
How long is the delivery date?
Also, within how many days can you deliver at the earliest?
Delivery time is usually about one week after receipt of order.
If re-inspection and rework are needed, the delivery date may change.
It is possible to deliver the items the next day you ordered at the earliest, when we have products in stock.
Depending on the conditions such as the time you ordered and your location, it may take more time.
Please give us your detailed information for our confirmation.
I am not a corporate organization. Can I still purchase them?
Yes, even individual customers can purchase our products.
However, we will require several conditions different from those for corporate customers, such as advance payment.
Is it possible to buy from overseas?
Yes. It is possible.
However, in the case of ordering from overseas, in principle, shipping costs need to be paid by customer.
We request your understanding.
What kind of items do you purchase?
We handle mainly silicon wafers.
We also deal with large diameter ingots and wafers, polysilicon for semiconductors, polysilicon for solar power generation etc.
In addition to purchasing and selling, we are also conducting measurement of the wafer orientation at our site.
If you have any questions, please do not hesitate to contact us.