Sorry we won’t be able to process your order until we come back after 7/5/19.


For your shopping convenience, we opened our eBay store.  You can directly order our products there.  You can enjoy combined shipping when you order multiple items, or free shipping when you order more than $100 at once.

Alternatively, you can also order directly from us on this website wherever you see “Buy Now” button, and enjoy further discount.  Occasionally, some of our popular items will be sold out.  The best way to find out the availability of a product is to check our eBay list.

When you send money directly to our PayPal account, please put a note on the products you want to order.

Our PayPal account is:


Thanks to our valuable customers, we are ranked as Top Rated Ebay Seller with highest buyer ratings.  Here are some recent customer feedback for products we sold.


Optical Lenses


Optical Filters


Arduino Platform


LED Components







You can directly order our products from our eBay store.


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