At Tethys, we utilize the world’s best distribution platform, “ “, to handle your order. Genuine Tethys products are only available through the authorized seller name -“ TethysDirect“, on Amazon. Products purchase from sites like eBay or craigslist, or from unauthorized storefronts, flea markets or swap meets are always questionable.

TethysDirect is the only authorized seller, distributor and marketer of Tethys products in the United States / China. – Only buy from store that states: “Ships from and sold by “TethysDirect” or “Sold by TethysDirect and Fulfilled by Amazon”.

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Tethys products are always complete with packaging outside and written materials inside. If the packaging is damaged, faded, sloppy, incomplete, or contains misspelling, the product it contains is likely a fake.



Trianium products feature the most advanced materials, designs and engineering. Signs of a counterfeit include poor workmanship, low quality, cheap materials, blemishes, dirt, etc.