At first, make tea is the most popular brand is Oishi. But with the group's management has a different idea, making you tons of party executives sun split open, another company is ICHITAN. This is the same product, but with a uniquely different from Oishi example, the packaging of tea promotion taste, etc., and because the two companies have competed well in the market, thus becoming. to promote their own company Therefore, both companies are known at present.