Tsubame BHB was introduced in the printed issue of “PROCESS”, a chemical and pharmaceutical engineering trade journal by Vogel Communications Group in Germany on 16th November 2021.

It is also released on their website as below.

https://www.process.vogel.de/small-in-japan-so-geht-die-ammoniaksynthese-im-kleinen-massstab-a-1072861/

https://www.process-worldwide.com/small-in-japan-decentralizing-ammonia-production-a-d3481965a22aa989862e7998867d8a60/