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First thing to tell you about us


a tea manufacturer and wholesaler has produced more than 1,000 different packaged products and process more than 1,000 tons of tea annually, that’s so we can provide you the best Japanese teas.

for the Quality...

We have multiple quality control managers in the company. 

Every single batch is verified and recorded. 

All batches can be traced back to which farm it came from, by whom, and when it was harvested.

Our factory controls the products through strict quality control that even surpasses the regulations of international standards for organic certification.


Our mission is to support the Japanese tea industry and to provide the best Japanese teas for everyone.

Our service is to help you discover the best Japanese tea you are looking for.


We hope your experience with OSADATEA's sample teas encourages you to become a fan of Japanese tea. Along with your passion and love in Japanese tea, we desire to be working together with you as business partners to expand Japanese tea all over the world.

We wish you will love Japanese tea, and enjoy drinking Japanese tea, as well as to work together as business partners to expand Japanese tea all over the world.

Social Commitment for the Earth

OSADATEA promises to work with you to support the Japanese tea industry and the global environment.

I sincerely appreciate all those who love Japanese tea.



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Got Your Tea Yet?

Based on 9 reviews

Smooth like silk on the palate. The scent of the roasted rice and matcha intemingling like the finest fragrance.

Excellent sencha. I did not taste any bitterness at all.

Glad I stumbled on this shop

I love that it’s organic and the pricing of the items is great. Enjoyed the tea. Fast shipping and very nicely packaged!

We're so glad you like our tea. We are a store that specializes in Japanese organic tea. We hope you can find the Japanese tea you want at the right price and the taste you prefer in our online store.

Highly recommend

Great flavor and aroma, highly recommend.

Thank you for your valuable review. :)

Highly recommend

Great flavor, aroma, and color (smells and looks fresh). Fast shipping and thoughtful packaging. Thanks!

Thank you very much for your valuable review. Thanks for enjoying our package. :)

My favourite

The taste is balanced And not too bitter

Thank you so much for sharing your taste review. :)

Balanced of sweetness and bitterness

This one is the perfect balance of sweetness and bitterness for me. I am not fan of bitterness of tea but this combination of sweetness and little bitt of bitterness makes me feel energetic. I smell and taste the freshness with every sip in the morning. it contains 20 grams I feel the quantity is not too much. So now I wanna try their other matcha to compare.

Hello, Amber.
Thanks for leaving a thoughtful review about our matcha.

My Favorite Matcha

I have used this Koiai matcha for 3 years now since my Japanese friend recommend. I love it! It is the best I have tasted. It's fresh and nutty as well. I used to drink coffee every morning but now I make my own Matcha lattes at home. It is very dense because it is high quality ceremonial matcha so make sure you sift matcha for creamy and foaming.

Thank you for loving KOIAI Matcha. We will share this great review with our farmers. Thank you again.

Lacking customer service

I reached out twice to Osada Tea regarding my tea order, once before I bought the tea and once after regarding the discount that I did not apply and the first time a question about radiation. I never heard from anybody on either of my questions. Also the tea that I ordered tastes really bad and I don’t know why but I just can’t drink it so I was a bit of a waste of money for me and I will not be re-ordering